Fig. 4From: Anatomical correlation between left atrium pulmonary vein ablation targets of atrial fibrillation and adjacent bronchi and pulmonary arteries by MSCTMeasurement of the shortest spatial distance between the pulmonary vein (PV) orifices and the adjacent pulmonary arteries (PAs). a–d Shortest distance from the right superior, left superior, right inferior, and left inferior PV orifices to the adjacent PAs, respectively. LA, left atrium; LPA, left PA; RPA, right PA; RSPV, right superior PV; RIPV, right inferior PV; LSPV, left superior PV; LIPV, left inferior PVBack to article page