Popliteal Entrapment Syndrome: A rare vascular illness that affects the legs of some young athletes. The muscle and tendons close to the knee compress the popliteal artery, limiting blood movement on the lessen leg And perhaps harmful the artery. Thoracic vascular disease. It could cause thoracic aortic aneurysm. This can be https://www.sgvascularctr.com/doctor/dr-chen-min-qi/