1 year and 3 months after second catheter ablation therapy (A) Chest radiograph demonstrated the consolidation in the left middle lung zone (B–E) CT revealed linear opacities (blue arrow), parenchymal bands (yellow arrow head), peripheral consolidation (yellow arrow) and the dilatated and tortuous pulmonary vein (green arrow) in the anterior and lingular segment of the LUL. The left major fissure was incomplete lobulation. (F) Plain CT images brought the stenosis of the left upper PV (yellow arrow) near the atrial junction. LUL, left upper lobe; PV, pulmonary vein.