The risks and benefits of surgery for abdominal aortic aneurysms (AAA) are different than Individuals for thoracic aortic aneurysms and therefore are listed underneath. Raynaud phenomenon - a problem that causes the blood vessels to narrow when you're cold or experience pressured Any thoracic aortic aneurysm 6 cm or bigger https://www.sgvascularctr.com/a-complete-guide-to-aortic-aneurysm-in-singapore/