title: Parosteal osteogenic sarcoma.
mesh_terms: D001859:Bone Neoplasms / Q000145:classification / Q000401:mortality* / Q000473:pathology; D006801:Humans; D009367:Neoplasm Staging; D012516:Osteosarcoma / Q000145:classification / Q000401:mortality* / Q000473:pathology; D011379:Prognosis