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Postoperative appearance of truncus arteriosus after RV-PA conduit formation and VSD closure in a 13-year-old boy. (A) Axial maximum intensity projection CT image shows mild stenosis in the MPA at the anastomotic site of the conduit (yellow arrow). (B) Volume-rendered image confirms these findings. Ao = aorta, C = conduit, LPA = left PA, MPA = main PA, PA = pulmonary artery, RPA = right PA, RV = right ventricle, VSD = ventricular septal defect.
