[Idiopathic dilatation of the pulmonary artery--prominent second left arch in the frontal view of the heart by thoracic radiography].
D000293:Adolescent; D000328:Adult; D002648:Child; D003937:Diagnosis, Differential; D004108:Dilatation, Pathologic; D005260:Female; D006343:Heart Septal Defects / Q000000981:diagnostic imaging; D006349:Heart Valve Diseases / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011651:Pulmonary Artery / Q000002:abnormalities / Q000000981:diagnostic imaging*; D011859:Radiography