Cancer surveillance in inflammatory bowel disease.
D001706:Biopsy; D003093:Colitis, Ulcerative / Q000150:complications* / Q000175:diagnosis; D003106:Colon / Q000473:pathology; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000209:etiology; D003424:Crohn Disease / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D007414:Intestinal Neoplasms / Q000175:diagnosis* / Q000209:etiology; D011230:Precancerous Conditions / Q000175:diagnosis; D012306:Risk; D012812:Sigmoidoscopy