Figure 2: (A) The coronal CT image showing the vertical vein. The decreased caliber of vertical vein is seen at the level of the aortapulmonary window (arrows). Left upper lobe pulmonary vein is seen draining into the vertical vein (arrow head). (B) The right lower lobe pulmonary vein (double arrows) is seen draining into the left atrium (asterisk). Bifurcation of vertical vein is also seen (thick arrow).