Fig. 2From: Pulmonary vein perforation into the respiratory tract with systemic air embolism: a rare complication of left atrial appendage closureAbsence of LSPV branches on postoperative chest CTA. A Filling defect in LSPV branches on CTA (red arrow). B Absence of LSPV on three-dimensionally reconstructed chest CTA (anterior view of left atrium). C Remaining main trunk of LSPV on three-dimensionally reconstructed chest CTA (posterior view of left atrium). CTA = computed tomography angiography; RSPV = right superior pulmonary vein; RIPV = right inferior pulmonary vein; LSPV = left superior pulmonary vein; LIPV = left inferior pulmonary vein; LAA = left atrial appendageBack to article page