Abdominal aortic aneurysm (AAA) is a common and deadly problem. The aortic diameter increases in association with a complex remodeling process that includes changes in the structure and content of ...

This bulge in the aorta is called an abdominal aortic aneurysm (AAA). An aneurysm is a bulge or balloon that forms ... While the aorta’s diameter normally ranges from 2-3 cm (1 ½ inches), an aneurysm ...