
Keywords: چپ فوقانی وانا کواو; BSA; body surface area; IA; intra-atrial; EC; extra-cardiac; HLHS; hypoplastic left heart syndrome; IVC; inferior vena cava; SVC; superior vena cava; LSVC; left superior vena cava; AZ; semi-azygos vein; LPA; left pulmonary artery; RPA; right pulmonary art