286 Development and External Validation of Machine Learning Algorithms for Survival Prediction in Synovial Sarcoma

e357 Does Tumor Necrosis Impact Prognosis in Chondroblastic and Osteoblastic Osteosarcoma? A Study From a Large Tertiary Care Academic Center

e366 Microbiological Profile of Prosthetic Joint Infections in Orthopaedic Oncology

e369 How Do the Functional Outcomes Vary Based on Ethnicity and Sex Following Tumor Resection and Endoprosthetic Reconstruction? – A Secondary Analysis from the PARITY trial

e370 Post-Operative Complications of Intramedullary Nailing for Impending and Pathologic Fractures of the Humerus due to Bone Metastases – A systematic Review of the Literature