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A 15‐year‐old male with osteosarcoma in the proximal tibia underwent wide resection and reconstruction with modular endoprosthesis (A). A medial gastrocnemius rotational flap was used to cover the tumour prosthesis and a free flap was placed over the proximal wound (B). NPWT was used for the distal wound, which could not be closed (C). After maturation of granulation tissue, definitive skin closure was performed using a split‐thickness skin graft (D).
