A neglected roentgen diagnostic feature of ruptured aneurysms of the abdominal aorta.
D000368:Aged; D001012:Aorta, Abdominal / Q000000981:diagnostic imaging*; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D011859:Radiography