Asymptomatic Pulmonary Vein Stenosis: Hemodynamic Adaptation and Successful Ablation

Figure 3

(a) Normal right pulmonary angiogram. Venous return confined to the area of the lung supplied by the arterial vasculature. No evidence of collateral development. (b) Left pulmonary angiogram. Green arrow demonstrating pulmonary arterial collateral from left upper lobe to the mid segment of the left lung.

(a)

(b)