Inclusion criteria | Exclusion criteria |
---|---|
• Age > 18 years old | • Lost of follow-up |
• Confirmed osteosarcoma in biopsy | • Surgery outside our department |
• Extremity location | • Non-extremity location |
• Limb-sparing surgery with the use of megaprothesis in our department | • Mutilating surgery |
• Complete follow-up |