title: [X-ray diagnosis of cancer of the colon and rectum].
mesh_terms: D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D003287:Contrast Media; D004724:Endoscopy; D006801:Humans; D011859:Radiography; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging*; D013679:Technology, Radiologic
chemical_list: D003287:Contrast Media