Postaortic left brachiocephalic vein in an adult patient with right upper lung cancer

Figure 1: (A) Contrast-enhanced computed tomographic scan showing the left brachiocephalic vein (arrows) running between the ascending aorta and trachea. (B) 3D computed tomography clearly shows the postaortic brachiocephalic vein, which crossed beneath the aortic arch and connected to the superior vena cava. Ao: descending aorta; Az: azygos vein; LBCA: left brachiocephalic artery; PLBCV: post-aortic left brachiocephalic vein; RBCV: right brachiocephalic vein; RPA: right pulmonary artery; SVC: superior vena cava.