<unk>  is a dilatation of the proximal ascending aorta and aortic annulus. It may cause aortic regurgitation, thoracic aortic dissection, aneurysm and rupture. It is often associated with Marfan syndrome.
Annuloaortic ectasia
Overriding aorta
Ductus arteriosus aneurysm
Aortic coarctation
Quadricuspid pulmonary valve
Pericardial cyst
Aortic sclerosis
Bicuspid aortic stenosis