Fig. 2

Intraoperative photographs. Intraoperative photographs demonstrating an intact atrial septum (a), the reconstructed endocardial layer between the LA and the RA (b), the flap of the inter-atrial septum (c), and the newly formed inter-atrial septum (d). RUPV = right upper pulmonary vein, ASD = atrial septal defect, RLPV = right lower pulmonary vein