562 County-Level Associations Between Airborne Toxicant Emissions and Ewing Sarcoma Diagnosis in the United States

632 Smoking as a Modifiable Risk Factor of Prosthetic Joint Infection in Total Joint Arthroplasty: A Single Center Retrospective Review

P119 Is There a Role for Positron Emission Tomography in the Staging of Langerhans Cell Histiocytosis?

P230 Surgical Stress and Physiological Reserve: A Novel Framework Predicts Complications and Optimizes Care Pathways in High-Energy Femur Fracture Surgery