I would be worried if my doctor told me I had an aortic aneurysm. Then I would make sure I followed my doctor's advice on how to care for myself and what to watch for. Buy a home blood pressure kit, they are not that expensive. Monitor daily and report changes to your doctor. If you note unusual chest or back pain, call your doctor.
You can read through the following page on symptoms:
Aortic Aneurysm
The whole article is here:
Aortic Aneurysm
The very best of health to you.