title: Multiple metachronous osteosarcoma with eleven-year survival. A case report.
mesh_terms: D000328:Adult; D001859:Bone Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis* / Q000473:pathology; D012516:Osteosarcoma / Q000175:diagnosis* / Q000473:pathology