Should the aneurysm of the abdominal aorta be operated upon?
D000367:Age Factors; D000368:Aged; D001012:Aorta, Abdominal / Q000601:surgery*; D001014:Aortic Aneurysm / Q000601:surgery*; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged