Arteries are blood vessels that, except for the pulmonary arteries, carry oxygen-rich blood from the heart to the organs. To support the higher tension while in the arterial circulation, arteries have smooth muscle mass within their lining. Thoracic aortic aneurysm: Surgery To place in a material graft or a stent. https://www.sgvascularctr.com/types-of-treatments-for-vascular-diseases/