1. What is an abdominal aortic aneurysm? The aorta is the largest artery in the body, carrying oxygen-rich blood from the heart to all organs. Abdominal aortic aneurysm (AAA) is an abnormal enlargement of the abdominal aorta and defined as an aortic diameter of 3 cm or more. 2. How common is abdominal aortic aneurysm? …



