Occlusion of calcified ascending aorta.
D001011:Aorta / Q000601:surgery; D001018:Aortic Diseases / Q000601:surgery*; D001157:Arterial Occlusive Diseases / Q000601:surgery*; D002114:Calcinosis / Q000601:surgery*; D001026:Coronary Artery Bypass; D006801:Humans