Fig. 3

PLC-LMSPA, PAC-AMSPA and PRC-RMSPA anatomy. Pulmonary arteriography, three-dimension mapping and RVOT anatomy revealed that the PLC-LMSPA is situated at the lowest level above the posterior septum of the RVOT, the PAC-AMSPA situated relatively superior above the anterior septum of RVOT and PRC-RMSPA situated at the most rightward above the free wall of RVOT