Fusiform aneurysm of the ascending aorta associated with medionecrosis.
D000783:Aneurysm; D001011:Aorta; D001014:Aortic Aneurysm / Q000209:etiology*; D001018:Aortic Diseases; D004194:Disease; D006801:Humans
AORTA/diseases; AORTIC ANEURYSM/etiology and pathogenesis