Fig. 5
From: Congenital systemic venous return anomalies to the right atrium review
a Anomalous course of the left brachiocephalic vein schematic. Anomalous course of the left brachiocephalic vein, crossing dorsal to the ascending aorta, beneath the aortic arch, ending on the SVC caudal to the azygos vein. b Anomalous course of the left brachiocephalic vein imaging. Contrast-enhanced CT [A, B—axial plane, C, D—coronal plane] showing an anomalous course of the left brachiocephalic vein (triangle) draining into the SVC dorsal to the ascending aorta with a course in the aortopulmonary window