Idiopathic dilatation of the pulmonary artery.
D001158:Arteries; D002319:Cardiovascular System; D004106:Dilatation; D004108:Dilatation, Pathologic; D004194:Disease; D006801:Humans; D011651:Pulmonary Artery; D014652:Vascular Diseases
PULMONARY ARTERY/diseases