Ulcerative colitis confined to the rectum and sigmoid flexure: report of 124 cases.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003093:Colitis, Ulcerative; D012809:Colon, Sigmoid / Q000473:pathology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012002:Rectal Diseases; D012189:Retrospective Studies