Thoracic vascular disorder. It can result in thoracic aortic aneurysm. This can be a bulging, weakened place within the wall of the blood vessel. It causes an abnormal widening or ballooning within the chest (thoracic) A part of the aorta. The procedure is analogous to the buildup of plaque in arteries https://www.sgvascularctr.com/a-comprehensive-guide-to-aortic-aneurysm-in-singapore/