The unoperated abdominal aortic aneurysm.
D000328:Adult; D000368:Aged; D001012:Aorta, Abdominal; D001014:Aortic Aneurysm / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009026:Mortality; D011379:Prognosis