An abdominal aortic aneurysm (AAA) is a bulge while in the aorta with the abdomen. The aorta is the main artery that carries blood from the guts to other aspects of the body. Peripheral artery disease: Leg pain or cramps with activity but enhance with relaxation; changes in skin coloration; https://www.sgvascularctr.com/an-introduction-to-vascular-surgery-in-singapore/