This is the femur of a 10-year-old boy with Ewing’s Sarcoma who underwent limb salvage therapy. It was removed, treated with liquid nitrogen to kill remaining tumor cells, and then reimplanted. Following adjuvant chemotherapy, the patient is recovering well and able to ride his bike again. When asked about the long-term survival rate of this case in the comments, the orthopedic surgeon replied, “If they have no progression of disease (metastasis) and a good response to chemotherapy, the 5-year survival rate is 80%
