Leaking iliac  aneurysm presenting as pelvic mass.
D000368:Aged; D000783:Aneurysm / Q000000981:diagnostic imaging*; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D007083:Iliac Artery; D008297:Male; D010388:Pelvis / Q000000981:diagnostic imaging*; D011859:Radiography