title: Extrinsic barium collection on barium enema examination.
mesh_terms: D001466:Barium Sulfate; D003106:Colon / Q000002:abnormalities* / Q000000981:diagnostic imaging; D003108:Colonic Diseases / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004238:Diverticulitis / Q000175:diagnosis; D004733:Enema; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
chemical_list: D001466:Barium Sulfate