A<unk>  occurs in the part of the body's largest artery (the aorta) that passes through the chest. An aneurysm is an abnormal widening or ballooning of a portion of an artery due to weakness in the wall of the blood vessel.
Thoracic aortic aneurysm
Aortic aneurysm
Aortic dissection
Aortic rupture
Aortocaval compression syndrome
Aortic sclerosis
Iliac artery aneurysm
Acute aortic syndrome