each infant had a patent ductus arteriosus , 6 had a conoventricular septal defect with leftward deviation of the conal septum , 1 had truncus arteriosus with truncal valve stenosis , and 1 had a distal aortopulmonary septal defect with an intact ventricular septum .
C0018816
septal defect
C0003516
aortopulmonary septal defect