Hemangioma of the colon.
D000293:Adolescent; D000740:Anemia / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000601:surgery; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006391:Hemangioma / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012007:Rectum