underlying lesions included severe tetralogy of fallot or its variant ( n = 10 ) , transposition complex ( with pulmonary stenosis or atresia ) ( n = 6 ) , single ventricle equivalents ( with pulmonary atresia or stenosis ) ( n = 9 ) , and pulmonary atresia with intact ventricular septum ( n = 5 ) .
C0242855
pulmonary atresia
C0344975
pulmonary atresia with intact ventricular septum