Thoracic vascular disorder. It can result in thoracic aortic aneurysm. This can be a bulging, weakened area during the wall of the blood vessel. It causes an abnormal widening or ballooning within the upper body (thoracic) Component of the aorta. Quite a few vascular illnesses contain clots or blockages in blood https://www.sgvascularctr.com/a-comprehensive-guide-to-aortic-aneurysm-in-singapore/