Fig. 1From: A comparative study of reconstruction modalities after knee joint-preserving tumor resection: reconstruction with a custom-made endoprosthesis versus reconstruction with a liquid nitrogen-inactivated autologous bone grafta A 17-year-old male with classical osteosarcoma of the distal femur. b Postoperative radiograph at 2Â weeks. c Radiograph and function at 80Â months postoperatively, showing the satisfactory function of the patientBack to article page