“…It can occur as part of more congenital cardiac malformations [1,2] such as tetralogy of Fallot, complete transposition of great arteries, or atrial septal defect [3]. Proximal pulmonary artery stenosis has also been reported as an acquired lesion in infants treated for congenital heart disease [4][5][6]. Primary isolated supravalvular pulmonary stenosis is less common [3].…”