Fig. 2

A patient with bilateral brachiocephalic vein and superior vena cava compression caused by lung cancer. a. The patient’s superior vena cava image showing filling defectsin the left brachiocephalic vein, right brachiocephalic vein and superior vena cava. b. The process of balloon expansion of the superior vena cava stent mesh. c. The bilateral brachiocephalic vein and superior vena cava after implantation (2 stents)