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Three-dimensional printed models of the total cavopulmonary connection. The superior vena cava [SVC, right superior vena cava (RSVC), and left superior vena cava (LSVC)], inferior vena cava (IVC), azygous vein (Azy), and hepatic veins (Hep) are inlets. The right and left pulmonary arteries (RPA and LPA, respectively) are outlets.
