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Representative pre-bidirectional cavopulmonary anastomosis (BDCA) (A) catheterization image of a child with Norwood/Sano reconstruction for hypoplastic left heart syndrome demonstrating significant bilateral pulmonary artery stenosis. He underwent hilum-to-hilum pulmonary arterioplasty at BDCA and his pre-Fontan catheterization (B) shows well developed pulmonary arteries. He has successfully reached Fontan circulation.
