Description: Welcome to Orthopedic Surgical Oncology of Arizona, located in Phoenix, Ariz. Bruce A. Mallin, M.D., F.A.C.S. and Matthew J. Seidel, M.D. have partnered to open the only center in Arizona dedicated to excellence in Orthopaedic Surgical Oncology and Specialty Orthopaedic Surgery. Our center specializes in treating Pediatric and Adult Musculoskeletal Tumors with a focus on Limb...