title: Sigmoid volvulus.
mesh_terms: D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D011859:Radiography; D012810:Sigmoid Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014329:Tropical Climate
chemical_list: D001466:Barium Sulfate