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Figure 1: Preoperative angiography with 5F pigtail catheter in descending thoracic aorta (DTA) shows a large aortopulmonary collateral (APC) filling of both the right and left pulmonary arteries (RPA and LPA, respectively). Arrow points to the atretic pulmonary valve

Figure 1: Preoperative angiography with 5F pigtail catheter in descending thoracic aorta (DTA) shows a large aortopulmonary collateral (APC) filling of both the right and left pulmonary arteries (RPA and LPA, respectively). Arrow points to the atretic pulmonary valve