Profuse bleeding from the colon.
D000328:Adult; D000368:Aged; D001165:Arteriovenous Malformations / Q000175:diagnosis; D012809:Colon, Sigmoid; D003108:Colonic Diseases / Q000175:diagnosis* / Q000209:etiology; D003110:Colonic Neoplasms / Q000175:diagnosis; D003937:Diagnosis, Differential; D004241:Diverticulum, Colon / Q000175:diagnosis; D004715:Endometriosis / Q000175:diagnosis; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D007417:Intestinal Polyps / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D011832:Radiation Injuries / Q000175:diagnosis; D012002:Rectal Diseases / Q000175:diagnosis; D012004:Rectal Neoplasms / Q000175:diagnosis; D014456:Ulcer / Q000175:diagnosis; D014648:Varicose Veins / Q000175:diagnosis