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. 2022 Jun 21;15(6):e014415. doi: 10.1161/CIRCIMAGING.122.014415

Figure 12.

Figure 12.

Geometry of the pulmonary bifurcation after Lecompte maneuver. A, Volume rendered 3D reconstruction showing that the pulmonary side branches runs around the aortic root. An external impression on the proximal course of the pulmonary arteries can occur. B, Coronal view of the geometric relation between ascending aorta and pulmonary arteries (RPA **, LPA *). Note the oval shape of the pulmonary arteries, with the broader diameter in the cranio-caudal direction and slimmer diameter in the lateral direction. Ao indicates ascending aorta; LPA, left pulmonary artery; and RPA, right pulmonary artery.