[A case of idiopathic dilatation of the pulmonary artery].
D002648:Child; D004108:Dilatation, Pathologic / Q000175:diagnosis; D004562:Electrocardiography; D006801:Humans; D008297:Male; D011651:Pulmonary Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging; D011859:Radiography