Orthopedic surgical oncology & advanced reconstruction. Treats tumor and tumor like conditions of the pelvis. Shoulder girdle. And extremities in children and adults. These conditions range from benign tumors or lesions to sarcomas of bone or soft tissue to metastatic bone disease. DR. Allison Also handles complex joint reconstructive conditions. Including anterior approach HIP replacement. Complex primary HIP and knee replacement. Revision HIP and knee replacement. And treatment of joint replacement infection. Treats complex trauma involving the pelvis. Shoulder girdle. And extremities. Including pelvic and acetabular trauma. Peri atricular fractures. MALUNIONS. And nonunions.