A<unk>  <unk>  is defined as an expansion or dilation of the aorta greater than 4.5 cm.<unk> s <unk> s) encompass all aneurysms the aorta between the aortic root and the crura of the diaphragm. The aortic root and the ascending<unk>  aorta are the most common sites of<unk> s (60%), followed by the descending<unk>  aorta (40%). Involvement of the aortic arch and/or extension of a<unk>  into the abdominal aorta (AA) (so called thoracoabdominal aneurysms) are relatively uncommon subsets (each encountered in 10% of cases or less).
Thoracic aortic aneurysm
Aortic aneurysm
Aortic dissection
Aortic rupture
Aortocaval compression syndrome
Aortic sclerosis
Iliac artery aneurysm
Acute aortic syndrome