Pulmonary vein stenosis: Etiology, diagnosis and management

Figure 2 Computed tomography of a patient undergone radiofrequency ablation two months before and recent onset of dyspnea on exertion. A: Absent of contrast (arrow) in the left lower pulmonary vein (complete occlusion); B: Extensive infiltrate within the left lung (arrow) cause by localized edema; C and D: After stent implantation (arrows) flow was successfully restored.