Proximal anastomosis of extra-anatomic saphenous vein bypass graft replacing right superficial femoral artery and distal anastomosis of extra-anatomic 8 mm externally supported PTFE graft replacing right femoral vein. Proximal anastomosis of extra-anatomic saphenous vein bypass graft replacing right superficial femoral artery and distal anastomosis of extra-anatomic 8 mm externally supported PTFE graft replacing right femoral vein. The blast cavity from the shotgun wound is at the bottom of the figure (from Feliciano DV. Vascular trauma. In: Levine BA, Copeland EM III, Howard RJ, Sugerman JH, Warshaw AL, eds. Current practice of surgery. New York: Churchill Livingstone; 1993. pp. 1–18. Reproduced with permission). PTFE, polytetrafluoroethylene. David V Feliciano Trauma Surg Acute Care Open 2017;2:e000110 © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.