Thoracic vascular condition. It can cause thoracic aortic aneurysm. It is a bulging, weakened spot during the wall of the blood vessel. It causes an abnormal widening or ballooning within the upper body (thoracic) Component of the aorta. If the aneurysm is close to wherever your aorta attaches to the heart, https://www.sgvascularctr.com/a-comprehensive-guide-to-aortic-aneurysm-in-singapore/