Lipoma of the colon.
D001466:Barium Sulfate; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D004733:Enema; D006801:Humans; D008067:Lipoma / Q000000981:diagnostic imaging*; D011859:Radiography; D014867:Water
D014867:Water; D001466:Barium Sulfate