Radiology of the colon.
D001466:Barium Sulfate; D002245:Carbon Dioxide; D002430:Cecal Neoplasms / Q000000981:diagnostic imaging*; D003093:Colitis, Ulcerative / Q000000981:diagnostic imaging; D003108:Colonic Diseases / Q000000981:diagnostic imaging*; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography; D013679:Technology, Radiologic
D002245:Carbon Dioxide; D001466:Barium Sulfate