Aneurysm of the nonpatent ductus arteriosus.
D001011:Aorta / Q000473:pathology; D004373:Ductus Arteriosus / Q000473:pathology; D006322:Heart Aneurysm / Q000150:complications / Q000473:pathology / Q000601:surgery; D006801:Humans; D007223:Infant; D008297:Male; D011651:Pulmonary Artery / Q000473:pathology; D011707:Pyloric Stenosis / Q000150:complications / Q000601:surgery