title: Course and prognosis of ulcerative proctosigmoiditis.
mesh_terms: D000328:Adult; D003093:Colitis, Ulcerative / Q000150:complications / Q000175:diagnosis* / Q000401:mortality / Q000628:therapy; D012809:Colon, Sigmoid; D003110:Colonic Neoplasms / Q000453:epidemiology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008551:Melena; D011379:Prognosis; D012002:Rectal Diseases / Q000150:complications / Q000175:diagnosis* / Q000401:mortality / Q000628:therapy; D012189:Retrospective Studies; D012812:Sigmoidoscopy