Radiopaedia.org

Aneurysmal dilatation of the ascending aorta. Dissection of the ascending aorta extending to involve the proximal portion of the aortic arch with sparing of the coronary arteries, branches of the aortic arch and descending thoracic aorta (type A by Stanford classification). Status post sternotomy and aortic valve replacement. Incidental finding of the common origin of the brachiocephalic artery and the left common carotid artery (bovine arch).