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Aortic Aneurysms are classified based on their anatomical locations. Largely, they can be divided into two classes: thoracic aortic aneurysm (TAA), those that are in the thoracic aorta, and abdominal aortic aneurysm (AAA), those that are in the abdominal aorta.

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TAA can further be divided into:

1. Aortic root aneurysm
2. Ascending aortic aneurysm
3. Aortic arch aneurysm
4. Descending aortic aneurysm
5. Aneurysm that straddles multiple portions of the aorta (i.e. from aortic arch to descending aorta)

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AAA can be classified as:

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