e241 The Impact of Margin Status on the Oncologic Outcomes of Surgically Treated Dedifferentiated Liposarcoma of the Extremities

e242 The Impact of Sarcopenia on Survival in Surgically Treated Patients with Metastatic Bone Disease

e247 Cemented versus Press-Fit Acetabular Fixation in Oncologic Reconstruction

e249 Short- and Long-Term Complications of Total Knee Arthroplasty and Total Hip Arthroplasty in Patients with History of Malignant Neoplasms of Bone: A Database Study