Idiopathic pulmonary artery dilatation.
D003937:Diagnosis, Differential; D004108:Dilatation, Pathologic; D005260:Female; D006801:Humans; D008479:Mediastinal Neoplasms / Q000175:diagnosis; D008875:Middle Aged; D011651:Pulmonary Artery / Q000002:abnormalities* / Q000000981:diagnostic imaging; D011859:Radiography