Cancer and ulcerative colitis.
D002908:Chronic Disease; D003093:Colitis, Ulcerative / Q000150:complications* / Q000175:diagnosis; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000209:etiology*; D003937:Diagnosis, Differential; D006801:Humans; D011230:Precancerous Conditions / Q000175:diagnosis