The extent of sigmoidoscopy shown on radiographs with special reference to the rectosigmoid junction.
D012809:Colon, Sigmoid / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D003287:Contrast Media; D004733:Enema; D006801:Humans; D011859:Radiography; D012007:Rectum / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D012812:Sigmoidoscopy
D003287:Contrast Media