Assertion: thoracic aortic aneurysm | /r/HasProperty | an enlargement of the aorta
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text: A thoracic aortic aneurysm is an enlargement of the aorta (the main blood vessel that carries blood away from the heart to the rest of the body) in the part of the body called the thoracic cavity (the chest area enclosed by the ribs and containing the lungs and heart).