Fig. 3From: Percutaneous transluminal stenting for superior vena cava syndrome caused by malignant tumors: a single-center retrospective studyA case of superior vena cava syndrome with restenosis after stenting. a. DSA image showing obvious compression and stenosis of the superior vena cava. b. Angiographic image 16 months after stent implantation showing a filling defect in the superior vena cava stent. c. Placement of a longer stent in the original stentBack to article page