Fig. 2From: An unusual case of acute respiratory failure in a patient with pulmonary veins stenosis late after catheter ablation of atrial fibrillation: a case report and the review of the literaturea Computed tomography angiography A-P projection showed the concentric severe stenosis of the left superior pulmonary vein (arrow). b CT angiography A-P projection showed 50 % stenosis of both right superior pulmonary (arrow). c CT angiography A-P projection showed ectatic right inferior vein (white arrow) and stenosis of left inferior pulmonary vein (black arrow)Back to article page