Meniscus formation as a radiographic sign of colonic lesion location.
D000368:Aged; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D004241:Diverticulum, Colon / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging*; D011859:Radiography