title: [Rare forms of osteosarcoma].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000601:surgery; D011859:Radiography
vernacular_title: Vzácnĕjsí formy osteosarkomu.