Crohn's disease of the colon with carcinoma of the rectum.
D000230:Adenocarcinoma / Q000150:complications*; D000293:Adolescent; D000328:Adult; D003108:Colonic Diseases / Q000150:complications*; D003424:Crohn Disease / Q000150:complications*; D006801:Humans; D008297:Male; D012003:Rectal Fistula / Q000150:complications; D012004:Rectal Neoplasms / Q000150:complications*