152 Does Disc Distraction after Cervical Total Disc Arthroplasty Impact Range of Motion and Patient-Reported Outcomes?

156 Anterior Cervical Discectomy and Fusion to Treat Double Crush Syndrome: Is Subsequent Peripheral Nerve Decompression Necessary?

495 The Effect of Intraoperative Prone Position on Psoas Morphology and Great Vessel Anatomy: Consequences for Prone Lateral Approach to the Lumbar Spine

P0189 3D-Printed Patient-Specific Cutting Guides versus Freehand Resection for Internal Hemipelvectomy: Clinical and Oncologic Outcomes

P0693 Radiotherapy Leads to Improved Overall Survival in Patients Undergoing Resection for Undifferentiated Pleomorphic Sarcoma