159 Core Needle Biopsy of Periacetabular Chondrosarcoma Often Results in Under-Grading but Does Not Change Management by Experienced Orthopaedic Oncologists

165 Regional Anesthesia is Associated with Improved Metastasis Free Survival after Surgical Resection of Bone Sarcomas

e237 Coexpression of Leukocyte Cytosolic Protein 1 and Matrix Metalloproteinases are Integral for Metastatic Progression of Chondrosarcoma