Current status of the precancer lesion in ulcerative colitis.
D003093:Colitis, Ulcerative / Q000150:complications*; D003106:Colon / Q000473:pathology; D003110:Colonic Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000473:pathology; D005500:Follow-Up Studies; D006801:Humans; D006965:Hyperplasia; D011230:Precancerous Conditions / Q000453:epidemiology* / Q000473:pathology; D012004:Rectal Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000473:pathology; D012007:Rectum / Q000473:pathology