title: Osteosarcoma at the site of previous fracture. A case report.
mesh_terms: D000328:Adult; D002146:Bony Callus; D005264:Femoral Fractures / Q000150:complications*; D005266:Femoral Neoplasms / Q000150:complications*; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000150:complications*; D013848:Thigh; D013997:Time Factors