title: Widening of the presacral space--a new cause.
mesh_terms: D000368:Aged; D001019:Aortic Rupture / Q000150:complications / Q000000981:diagnostic imaging; D001466:Barium Sulfate; D006470:Hemorrhage / Q000000981:diagnostic imaging / Q000209:etiology; D006801:Humans; D008297:Male; D011859:Radiography; D012187:Retroperitoneal Space / Q000000981:diagnostic imaging; D012447:Sacrum / Q000000981:diagnostic imaging*
chemical_list: D001466:Barium Sulfate