At 4 centimeters (cm), an aortic aneurysm is either safe to monitor with imaging or at risk of rupturing, which may require surgery to prevent serious complications. The aorta is the body’s largest ...

An aneurysm occurs when the walls of a blood vessel or artery in the abdomen, brain, or chest start to weaken and bulge. It’s possible to live with an aneurysm for a long time without symptoms or ...