title: Osteosarcoma of bone and a consideration of prognostic variables.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001859:Bone Neoplasms / Q000453:epidemiology*; D002648:Child; D002813:Chondrosarcoma / Q000453:epidemiology; D005260:Female; D006801:Humans; D007573:Jaw Neoplasms / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009381:Neoplasms, Radiation-Induced / Q000453:epidemiology; D012516:Osteosarcoma / Q000453:epidemiology*; D010386:Pelvic Neoplasms / Q000453:epidemiology; D011379:Prognosis; D012737:Sex Factors; D012888:Skull Neoplasms / Q000453:epidemiology