[Various problems in x-ray diagnosis of cancer of the large intestine].
D002430:Cecal Neoplasms / Q000000981:diagnostic imaging; D003287:Contrast Media; D003937:Diagnosis, Differential; D006801:Humans; D007414:Intestinal Neoplasms / Q000000981:diagnostic imaging*; D007417:Intestinal Polyps / Q000000981:diagnostic imaging; D007420:Intestine, Large; D011292:Premedication; D011859:Radiography; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging; D013679:Technology, Radiologic