Duplication of the large bowel.
D002648:Child; D003106:Colon / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000254:growth & development; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging / Q000209:etiology; D008531:Megacolon / Q000000981:diagnostic imaging; D008639:Mesenteric Cyst / Q000000981:diagnostic imaging; D011859:Radiography; D014564:Urogenital Abnormalities