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. 2016 Jan 16;11:7. doi: 10.1186/s13019-016-0413-3

Fig. 1.

Fig. 1

Chest CT images: (a, b) Before surgery, showing stenosis of the right PA (arrows); (c, d) At 6 months after surgery, showing the patent grafts of the right PA (arrows); (e, f) At 18 months after surgery, showing the stenosis of the right PA graft (arrows); (g, h) At 34 months after surgery, showing unchanged stenosis of the right PA graft (arrows)