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Large retrosternal pseudoaneurysm (left anterolateral to the ascending aorta), it measures about 9.0 x 7.0 x 9.5 cm, it's surrounded by hypo density (thrombosis) that extends via the widened sternotomy sutures, it communicated via a narrow neck with ascending aorta with noticeable linear contrast extravasation. it compresses the ascending aorta posteriorly.
Bovine aortic arch (incidental finding).
Aortic valve prosthesis.