The definitive diagnosis of thoracic aortic aneurysm can be made using magnetic resonance angiography (MRA). Once the diagnosis is made, serial MRAs (or CT) are recommended every 6-12 months.
Thoracic aortic aneurysm MRI
Thoracic aortic aneurysm physical examination
Thoracic aortic aneurysm echocardiography or ultrasound
Thoracic aortic aneurysm chest x ray
Aortic dissection physical examination
Thoracic aortic aneurysm CT
Aortic sclerosis physical examination
Superior vena cava syndrome MRI