{
    "info": {
        "nct_id": "NCT00560365",
        "official_title": "A Randomised Controlled Trial to Assess the Cost-effectiveness of Intensive Versus no Scheduled Follow-up in Patients Who Have Undergone Resection for Colorectal Cancer With Curative Intent. (FACS - Follow-up After Colorectal Surgery)",
        "inclusion_criteria": "Healthy volunteers allowed\nMust have minimum age of 50 Years",
        "exclusion_criteria": "",
        "miscellaneous_criteria": "DISEASE CHARACTERISTICS:\n\n* Diagnosis of primary colorectal cancer\n\n  * Stage I-III disease\n* Have undergone curative resection (i.e., no residual disease [R0])\n\n  * Microscopically clear margins\n* Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy\n* Post-operative blood CEA ≤ 10 ng/mL (if the normal range is ≤ 5 ng/mL) OR < 2 times upper limit of normal (if normal range is > 5 ng/mL)\n\n  * For patients undergoing adjuvant therapy, CEA should be measured after completion of chemotherapy\n* Has completed primary curative treatment, as deemed by hospital clinician\n\n  * Patients awaiting stoma closure allowed\n* No evidence of metastatic disease on pre- or post-operative liver CT scan (or ultrasound) and chest CT scan (or chest x-ray)\n* No diagnosis of familial adenomatous polyposis (FAP) or dominantly inherited colon cancer\n\nPATIENT CHARACTERISTICS:\n\n* No concurrent serious illness\n* History of other carcinoma allowed provided primary treatment has been completed, there is no evidence of recurrent disease, and there is no follow-up that conflicts with study follow-up\n\nPRIOR CONCURRENT THERAPY:\n\n* See Disease Characteristics\n* Pre-operative radiotherapy or chemoradiotherapy for rectal cancer allowed provided curative resection has been achieved\n* No concurrent participation in a primary treatment clinical trial with conflicting follow-up requirements"
    },
    "inclusion_lines": [
        {
            "identified_line": {
                "line": "Healthy volunteers allowed",
                "criterions": [
                    {
                        "exact_snippets": "Healthy volunteers allowed",
                        "criterion": "volunteer health status",
                        "requirement": {
                            "requirement_type": "status",
                            "expected_value": "healthy"
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "Healthy volunteers allowed",
                        "criterion": "volunteer health status",
                        "requirement": {
                            "requirement_type": "status",
                            "expected_value": "healthy"
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "Must have minimum age of 50 Years",
                "criterions": [
                    {
                        "exact_snippets": "minimum age of 50 Years",
                        "criterion": "age",
                        "requirement": {
                            "requirement_type": "minimum",
                            "expected_value": {
                                "operator": ">=",
                                "value": 50,
                                "unit": "Years"
                            }
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "minimum age of 50 Years",
                        "criterion": "age",
                        "requirement": {
                            "requirement_type": "minimum",
                            "expected_value": {
                                "operator": ">=",
                                "value": 50,
                                "unit": "Years"
                            }
                        }
                    }
                ]
            }
        }
    ],
    "exclusion_lines": [],
    "miscellaneous_lines": [
        {
            "identified_line": {
                "line": "* Diagnosis of primary colorectal cancer",
                "criterions": [
                    {
                        "exact_snippets": "Diagnosis of primary colorectal cancer",
                        "criterion": "primary colorectal cancer",
                        "requirement": {
                            "requirement_type": "diagnosis",
                            "expected_value": true
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "Diagnosis of primary colorectal cancer",
                        "criterion": "primary colorectal cancer",
                        "requirement": {
                            "requirement_type": "diagnosis",
                            "expected_value": true
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* Stage I-III disease",
                "criterions": [
                    {
                        "exact_snippets": "Stage I-III disease",
                        "criterion": "disease stage",
                        "requirement": {
                            "requirement_type": "range",
                            "expected_value": {
                                "comparisons": [
                                    {
                                        "operator": ">=",
                                        "value": 1,
                                        "unit": "Stage"
                                    },
                                    {
                                        "operator": "<=",
                                        "value": 3,
                                        "unit": "Stage"
                                    }
                                ]
                            }
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "Stage I-III disease",
                        "criterion": "disease stage",
                        "requirement": {
                            "requirement_type": "range",
                            "expected_value": {
                                "comparisons": [
                                    {
                                        "operator": ">=",
                                        "value": 1,
                                        "unit": "Stage"
                                    },
                                    {
                                        "operator": "<=",
                                        "value": 3,
                                        "unit": "Stage"
                                    }
                                ]
                            }
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* Have undergone curative resection (i.e., no residual disease [R0])",
                "criterions": [
                    {
                        "exact_snippets": "Have undergone curative resection",
                        "criterion": "curative resection",
                        "requirement": {
                            "requirement_type": "completion",
                            "expected_value": true
                        }
                    },
                    {
                        "exact_snippets": "no residual disease [R0]",
                        "criterion": "residual disease",
                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": false
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "Have undergone curative resection",
                        "criterion": "curative resection",
                        "requirement": {
                            "requirement_type": "completion",
                            "expected_value": true
                        }
                    },
                    {
                        "exact_snippets": "no residual disease [R0]",
                        "criterion": "residual disease",
                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": false
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* Microscopically clear margins",
                "criterions": [
                    {
                        "exact_snippets": "Microscopically clear margins",
                        "criterion": "surgical margins",
                        "requirement": {
                            "requirement_type": "microscopic clarity",
                            "expected_value": true
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "Microscopically clear margins",
                        "criterion": "surgical margins",
                        "requirement": {
                            "requirement_type": "microscopic clarity",
                            "expected_value": true
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* For patients undergoing adjuvant therapy, CEA should be measured after completion of chemotherapy",
                "criterions": [
                    {
                        "exact_snippets": "patients undergoing adjuvant therapy",
                        "criterion": "adjuvant therapy",
                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    },
                    {
                        "exact_snippets": "CEA should be measured",
                        "criterion": "CEA measurement",
                        "requirement": {
                            "requirement_type": "timing",
                            "expected_value": "after completion of chemotherapy"
                        }
                    }
                ]
            },
            "logical_structure": {
                "condition": {
                    "exact_snippets": "patients undergoing adjuvant therapy",
                    "criterion": "adjuvant therapy",
                    "requirement": {
                        "requirement_type": "presence",
                        "expected_value": true
                    }
                },
                "then_criteria": {
                    "exact_snippets": "CEA should be measured",
                    "criterion": "CEA measurement",
                    "requirement": {
                        "requirement_type": "timing",
                        "expected_value": "after completion of chemotherapy"
                    }
                },
                "else_criteria": null
            }
        },
        {
            "identified_line": {
                "line": "* Has completed primary curative treatment, as deemed by hospital clinician",
                "criterions": [
                    {
                        "exact_snippets": "Has completed primary curative treatment",
                        "criterion": "primary curative treatment",
                        "requirement": {
                            "requirement_type": "completion",
                            "expected_value": true
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "Has completed primary curative treatment",
                        "criterion": "primary curative treatment",
                        "requirement": {
                            "requirement_type": "completion",
                            "expected_value": true
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* Patients awaiting stoma closure allowed",
                "criterions": [
                    {
                        "exact_snippets": "Patients awaiting stoma closure",
                        "criterion": "stoma closure",
                        "requirement": {
                            "requirement_type": "status",
                            "expected_value": "awaiting"
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "Patients awaiting stoma closure",
                        "criterion": "stoma closure",
                        "requirement": {
                            "requirement_type": "status",
                            "expected_value": "awaiting"
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* No evidence of metastatic disease on pre- or post-operative liver CT scan (or ultrasound) and chest CT scan (or chest x-ray)",
                "criterions": [
                    {
                        "exact_snippets": "No evidence of metastatic disease",
                        "criterion": "metastatic disease",
                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": false
                        }
                    },
                    {
                        "exact_snippets": "pre- or post-operative liver CT scan (or ultrasound)",
                        "criterion": "liver imaging",
                        "requirement": {
                            "requirement_type": "type",
                            "expected_value": [
                                "CT scan",
                                "ultrasound"
                            ]
                        }
                    },
                    {
                        "exact_snippets": "chest CT scan (or chest x-ray)",
                        "criterion": "chest imaging",
                        "requirement": {
                            "requirement_type": "type",
                            "expected_value": [
                                "CT scan",
                                "x-ray"
                            ]
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "and_criteria": [
                            {
                                "and_criteria": [
                                    {
                                        "exact_snippets": "No evidence of metastatic disease",
                                        "criterion": "metastatic disease",
                                        "requirement": {
                                            "requirement_type": "presence",
                                            "expected_value": false
                                        }
                                    },
                                    {
                                        "exact_snippets": "pre- or post-operative liver CT scan (or ultrasound)",
                                        "criterion": "liver imaging",
                                        "requirement": {
                                            "requirement_type": "type",
                                            "expected_value": [
                                                "CT scan",
                                                "ultrasound"
                                            ]
                                        }
                                    }
                                ]
                            },
                            {
                                "exact_snippets": "chest CT scan (or chest x-ray)",
                                "criterion": "chest imaging",
                                "requirement": {
                                    "requirement_type": "type",
                                    "expected_value": [
                                        "CT scan",
                                        "x-ray"
                                    ]
                                }
                            }
                        ]
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* No diagnosis of familial adenomatous polyposis (FAP) or dominantly inherited colon cancer",
                "criterions": [
                    {
                        "exact_snippets": "No diagnosis of familial adenomatous polyposis (FAP)",
                        "criterion": "familial adenomatous polyposis (FAP)",
                        "requirement": {
                            "requirement_type": "diagnosis",
                            "expected_value": false
                        }
                    },
                    {
                        "exact_snippets": "No diagnosis of ... dominantly inherited colon cancer",
                        "criterion": "dominantly inherited colon cancer",
                        "requirement": {
                            "requirement_type": "diagnosis",
                            "expected_value": false
                        }
                    }
                ]
            },
            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "No diagnosis of familial adenomatous polyposis (FAP)",
                        "criterion": "familial adenomatous polyposis (FAP)",
                        "requirement": {
                            "requirement_type": "diagnosis",
                            "expected_value": false
                        }
                    },
                    {
                        "exact_snippets": "No diagnosis of ... dominantly inherited colon cancer",
                        "criterion": "dominantly inherited colon cancer",
                        "requirement": {
                            "requirement_type": "diagnosis",
                            "expected_value": false
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* History of other carcinoma allowed provided primary treatment has been completed, there is no evidence of recurrent disease, and there is no follow-up that conflicts with study follow-up",
                "criterions": [
                    {
                        "exact_snippets": "History of other carcinoma allowed",
                        "criterion": "history of other carcinoma",
                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    },
                    {
                        "exact_snippets": "primary treatment has been completed",
                        "criterion": "primary treatment completion",
                        "requirement": {
                            "requirement_type": "completion",
                            "expected_value": true
                        }
                    },
                    {
                        "exact_snippets": "no evidence of recurrent disease",
                        "criterion": "recurrent disease",
                        "requirement": {
                            "requirement_type": "evidence",
                            "expected_value": false
                        }
                    },
                    {
                        "exact_snippets": "no follow-up that conflicts with study follow-up",
                        "criterion": "conflicting follow-up",
                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": false
                        }
                    }
                ]
            },
            "logical_structure": {
                "condition": {
                    "exact_snippets": "History of other carcinoma allowed",
                    "criterion": "history of other carcinoma",
                    "requirement": {
                        "requirement_type": "presence",
                        "expected_value": true
                    }
                },
                "then_criteria": {
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                        {
                            "exact_snippets": "primary treatment has been completed",
                            "criterion": "primary treatment completion",
                            "requirement": {
                                "requirement_type": "completion",
                                "expected_value": true
                            }
                        },
                        {
                            "exact_snippets": "no evidence of recurrent disease",
                            "criterion": "recurrent disease",
                            "requirement": {
                                "requirement_type": "evidence",
                                "expected_value": false
                            }
                        },
                        {
                            "exact_snippets": "no follow-up that conflicts with study follow-up",
                            "criterion": "conflicting follow-up",
                            "requirement": {
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                                "expected_value": false
                            }
                        }
                    ]
                },
                "else_criteria": null
            }
        },
        {
            "identified_line": {
                "line": "PRIOR CONCURRENT THERAPY:",
                "criterions": [
                    {
                        "exact_snippets": "PRIOR CONCURRENT THERAPY",
                        "criterion": "prior concurrent therapy",
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                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    }
                ]
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            "logical_structure": {
                "and_criteria": [
                    {
                        "exact_snippets": "PRIOR CONCURRENT THERAPY",
                        "criterion": "prior concurrent therapy",
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                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* See Disease Characteristics",
                "criterions": [
                    {
                        "exact_snippets": "Disease Characteristics",
                        "criterion": "disease characteristics",
                        "requirement": {
                            "requirement_type": "N/A",
                            "expected_value": "refer to disease characteristics section"
                        }
                    }
                ]
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                    {
                        "exact_snippets": "Disease Characteristics",
                        "criterion": "disease characteristics",
                        "requirement": {
                            "requirement_type": "N/A",
                            "expected_value": "refer to disease characteristics section"
                        }
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* Pre-operative radiotherapy or chemoradiotherapy for rectal cancer allowed provided curative resection has been achieved",
                "criterions": [
                    {
                        "exact_snippets": "Pre-operative radiotherapy ... allowed",
                        "criterion": "pre-operative radiotherapy",
                        "requirement": {
                            "requirement_type": "allowance",
                            "expected_value": true
                        }
                    },
                    {
                        "exact_snippets": "Pre-operative ... chemoradiotherapy ... allowed",
                        "criterion": "pre-operative chemoradiotherapy",
                        "requirement": {
                            "requirement_type": "allowance",
                            "expected_value": true
                        }
                    },
                    {
                        "exact_snippets": "curative resection has been achieved",
                        "criterion": "curative resection",
                        "requirement": {
                            "requirement_type": "achievement",
                            "expected_value": true
                        }
                    }
                ]
            },
            "logical_structure": {
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                        {
                            "exact_snippets": "Pre-operative radiotherapy ... allowed",
                            "criterion": "pre-operative radiotherapy",
                            "requirement": {
                                "requirement_type": "allowance",
                                "expected_value": true
                            }
                        },
                        {
                            "exact_snippets": "Pre-operative ... chemoradiotherapy ... allowed",
                            "criterion": "pre-operative chemoradiotherapy",
                            "requirement": {
                                "requirement_type": "allowance",
                                "expected_value": true
                            }
                        }
                    ]
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                "then_criteria": {
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                    "criterion": "curative resection",
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                    }
                },
                "else_criteria": null
            }
        },
        {
            "identified_line": {
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                        "exact_snippets": "No concurrent participation in a primary treatment clinical trial",
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                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": false
                        }
                    },
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                        "exact_snippets": "conflicting follow-up requirements",
                        "criterion": "conflicting follow-up requirements",
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                            "expected_value": false
                        }
                    }
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                        "and_criteria": [
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                                "exact_snippets": "No concurrent participation in a primary treatment clinical trial",
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                                    "requirement_type": "presence",
                                    "expected_value": false
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                                "exact_snippets": "conflicting follow-up requirements",
                                "criterion": "conflicting follow-up requirements",
                                "requirement": {
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                                }
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                "criterions": []
            },
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                "and_criteria": []
            }
        },
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            "identified_line": {
                "line": "PATIENT CHARACTERISTICS:",
                "criterions": []
            },
            "logical_structure": {
                "and_criteria": []
            }
        }
    ],
    "failed_inclusion": [],
    "failed_exclusion": [],
    "failed_miscellaneous": [
        {
            "identified_line": {
                "line": "* Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                "criterions": [
                    {
                        "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                        "criterion": "colonic imaging",
                        "requirement": {
                            "requirement_type": "completeness",
                            "expected_value": "complete"
                        }
                    },
                    {
                        "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                        "criterion": "colonic imaging",
                        "requirement": {
                            "requirement_type": "normality",
                            "expected_value": "normal"
                        }
                    },
                    {
                        "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                        "criterion": "colonic imaging",
                        "requirement": {
                            "requirement_type": "timing",
                            "expected_value": [
                                "pre-operatively",
                                "post-operatively"
                            ]
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                    },
                    {
                        "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                        "criterion": "colonic imaging",
                        "requirement": {
                            "requirement_type": "method",
                            "expected_value": [
                                "colonoscopy",
                                "barium enema",
                                "CT pneumocolon",
                                "virtual colonoscopy"
                            ]
                        }
                    }
                ]
            },
            "logical_structure": {
                "condition": {
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                        {
                            "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                            "criterion": "colonic imaging",
                            "requirement": {
                                "requirement_type": "completeness",
                                "expected_value": "complete"
                            }
                        },
                        {
                            "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                            "criterion": "colonic imaging",
                            "requirement": {
                                "requirement_type": "normality",
                                "expected_value": "normal"
                            }
                        },
                        {
                            "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                            "criterion": "colonic imaging",
                            "requirement": {
                                "requirement_type": "method",
                                "expected_value": [
                                    "colonoscopy",
                                    "barium enema",
                                    "CT pneumocolon",
                                    "virtual colonoscopy"
                                ]
                            }
                        }
                    ]
                },
                "then_criteria": {
                    "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                    "criterion": "colonic imaging",
                    "requirement": {
                        "requirement_type": "timing",
                        "expected_value": "pre-operatively"
                    }
                },
                "else_criteria": {
                    "exact_snippets": "Complete normal colonic imaging pre-operatively (or post-operatively if unable to view complete colon pre-operatively) by colonoscopy, barium enema, CT pneumocolon, or virtual colonoscopy",
                    "criterion": "colonic imaging",
                    "requirement": {
                        "requirement_type": "timing",
                        "expected_value": "post-operatively"
                    }
                }
            }
        },
        {
            "identified_line": {
                "line": "* Post-operative blood CEA ≤ 10 ng/mL (if the normal range is ≤ 5 ng/mL) OR < 2 times upper limit of normal (if normal range is > 5 ng/mL)",
                "criterions": [
                    {
                        "exact_snippets": "Post-operative blood CEA ≤ 10 ng/mL",
                        "criterion": "post-operative blood CEA",
                        "requirement": {
                            "requirement_type": "quantity",
                            "expected_value": {
                                "operator": "<=",
                                "value": 10,
                                "unit": "ng/mL"
                            }
                        }
                    },
                    {
                        "exact_snippets": "Post-operative blood CEA ... < 2 times upper limit of normal",
                        "criterion": "post-operative blood CEA",
                        "requirement": {
                            "requirement_type": "quantity",
                            "expected_value": {
                                "operator": "<",
                                "value": 2,
                                "unit": "times upper limit of normal"
                            }
                        }
                    }
                ]
            },
            "logical_structure": {
                "or_criteria": [
                    {
                        "condition": {
                            "exact_snippets": "if the normal range is \u0010 ng/mL",
                            "criterion": "normal range",
                            "requirement": {
                                "requirement_type": "quantity",
                                "expected_value": {
                                    "operator": "<=",
                                    "value": 5,
                                    "unit": "ng/mL"
                                }
                            }
                        },
                        "then_criteria": {
                            "exact_snippets": "Post-operative blood CEA \u0010 ng/mL",
                            "criterion": "post-operative blood CEA",
                            "requirement": {
                                "requirement_type": "quantity",
                                "expected_value": {
                                    "operator": "<=",
                                    "value": 10,
                                    "unit": "ng/mL"
                                }
                            }
                        },
                        "else_criteria": null
                    },
                    {
                        "condition": {
                            "exact_snippets": "if normal range is > 5 ng/mL",
                            "criterion": "normal range",
                            "requirement": {
                                "requirement_type": "quantity",
                                "expected_value": {
                                    "operator": ">",
                                    "value": 5,
                                    "unit": "ng/mL"
                                }
                            }
                        },
                        "then_criteria": {
                            "exact_snippets": "Post-operative blood CEA ... < 2 times upper limit of normal",
                            "criterion": "post-operative blood CEA",
                            "requirement": {
                                "requirement_type": "quantity",
                                "expected_value": {
                                    "operator": "<",
                                    "value": 2,
                                    "unit": "times upper limit of normal"
                                }
                            }
                        },
                        "else_criteria": null
                    }
                ]
            }
        },
        {
            "identified_line": {
                "line": "* No concurrent serious illness",
                "criterions": [
                    {
                        "exact_snippets": "No concurrent serious illness",
                        "criterion": "serious illness",
                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": false
                        }
                    }
                ]
            },
            "logical_structure": {
                "not_criteria": {
                    "exact_snippets": "No concurrent serious illness",
                    "criterion": "serious illness",
                    "requirement": {
                        "requirement_type": "presence",
                        "expected_value": true
                    }
                }
            }
        }
    ]
}