{
    "info": {
        "nct_id": "NCT04452162",
        "official_title": "Physiologic MR Imaging in Distinguishing Benign from Malignant Salivary Gland Tumors",
        "inclusion_criteria": "* Possess a salivary gland lesion of 1cm3 size\n* Have no prior history of treatment for salivary gland lesion\nHealthy volunteers allowed\nMust have minimum age of 18 Years",
        "exclusion_criteria": "* Has any prior history of cancer other than SGT\n* Has any MRI contra-indications\n* Has a history of known renal disease.\n* Has history of prior radiation to head and neck region\n* Is pregnant",
        "miscellaneous_criteria": ""
    },
    "inclusion_lines": [
        {
            "line": "* Possess a salivary gland lesion of 1cm3 size",
            "criterions": [
                {
                    "exact_snippets": "salivary gland lesion",
                    "criterion": "salivary gland lesion",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    ]
                },
                {
                    "exact_snippets": "1cm3 size",
                    "criterion": "lesion size",
                    "requirements": [
                        {
                            "requirement_type": "size",
                            "expected_value": {
                                "operator": "=",
                                "value": 1,
                                "unit": "cm3"
                            }
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Have no prior history of treatment for salivary gland lesion",
            "criterions": [
                {
                    "exact_snippets": "no prior history of treatment for salivary gland lesion",
                    "criterion": "treatment history for salivary gland lesion",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": false
                        }
                    ]
                }
            ]
        },
        {
            "line": "Healthy volunteers allowed",
            "criterions": [
                {
                    "exact_snippets": "Healthy volunteers allowed",
                    "criterion": "volunteer health status",
                    "requirements": [
                        {
                            "requirement_type": "status",
                            "expected_value": "healthy"
                        }
                    ]
                }
            ]
        },
        {
            "line": "Must have minimum age of 18 Years",
            "criterions": [
                {
                    "exact_snippets": "minimum age of 18 Years",
                    "criterion": "age",
                    "requirements": [
                        {
                            "requirement_type": "minimum",
                            "expected_value": {
                                "operator": ">=",
                                "value": 18,
                                "unit": "Years"
                            }
                        }
                    ]
                }
            ]
        }
    ],
    "exclusion_lines": [
        {
            "line": "* Has any prior history of cancer other than SGT",
            "criterions": [
                {
                    "exact_snippets": "Has any prior history of cancer other than SGT",
                    "criterion": "prior history of cancer",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": true
                        },
                        {
                            "requirement_type": "exclusion",
                            "expected_value": "SGT"
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Has any MRI contra-indications",
            "criterions": [
                {
                    "exact_snippets": "Has any MRI contra-indications",
                    "criterion": "MRI contra-indications",
                    "requirements": [
                        {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Has a history of known renal disease.",
            "criterions": [
                {
                    "exact_snippets": "Has a history of known renal disease.",
                    "criterion": "renal disease",
                    "requirements": [
                        {
                            "requirement_type": "history",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Has history of prior radiation to head and neck region",
            "criterions": [
                {
                    "exact_snippets": "history of prior radiation to head and neck region",
                    "criterion": "prior radiation to head and neck region",
                    "requirements": [
                        {
                            "requirement_type": "history",
                            "expected_value": true
                        }
                    ]
                }
            ]
        },
        {
            "line": "* Is pregnant",
            "criterions": [
                {
                    "exact_snippets": "Is pregnant",
                    "criterion": "pregnancy",
                    "requirements": [
                        {
                            "requirement_type": "status",
                            "expected_value": false
                        }
                    ]
                }
            ]
        }
    ],
    "miscellaneous_lines": [],
    "failed_inclusion": [],
    "failed_exclusion": [],
    "failed_miscellaneous": []
}