fig1
![The evolution of lower extremity reconstruction](https://image.oaes.cc/3b778a63-f665-4f61-88e5-85a03dad53b6/4841.fig.1.jpg)
Figure 1. Vascularized bone flaps for lower extremity reconstruction of bony defects. (A) free fibula osteocutaneous flap. (B) in situ medial femoral condyle flap isolated on descending geniculate vessels for the reconstruction of a small bony defect.