Data Dictionary Used

{'removed': 1, 'not removed': 2, 'retrieval': 3, 'non retrieval': 4, 'zero' : 0}

{'cecal': 1, 'ascending': 2, 'ileum': 3, 'ileocecal': 3, 'hepatic': 4, 'transverse': 5, 'splenic': 6, 'descending': 7, 'sigmoid': 8, 'recto-sigmoid': 9, 'rectal': 10, 'appendix': 11,'zero': 0}

{'zero':0,'sessile':1,'pedunculated':2,'flat':3,'mass':4,'smooth':5,'serrated':6}

{'zero':0,'diminutive':1,'small':2,'medium':3,'large':4}

{'zero':0,'left':1,'right':2}

{'zero':0,'piermeal':1,'cold snare':2,'hot snare':3,'snare':4,'electocautery snare':5,'excisional biopsy':6,'biopsy forcep':7,'cold biopsy':8}

{'zero':0,'one':1,'two':2,'three':3,'four':4,'five':5,'six':7,'eight':8,'nine':9,'ten':10}