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Case #23: 13-year-old male with osteosarcoma of the left distal femur. (a) Preoperative MRI. (b) 21 years after treatment with osteoarticular extracorporeal irradiated autograft. Collapse of the graft was not observed, and he did not undergo reoperation. Growth of the left tibia is preserved. The length of the left and right tibia is similar. The leg length discrepancy is 57 mm.
