[Theoretical aspects in radiological diagnosis of early carcinoma of the colon and rectum (author's transl)].
D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D011127:Polyps / Q000000981:diagnostic imaging; D011859:Radiography; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging*; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging