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Selected cineangiographic frames representing bidirectional Glenn procedure (anastomosis of the superior vena cava (SVC) to the right pulmonary artery (RPA)) in two different children (a and b) (Stage II). Note the unobstructed flow from the SVC to the right (RPA) and left (LPA) pulmonary arteries. Reproduced from Rao, P.S. Indian J. Pediatr. 2015, 82, 1147–1156 [79].
