Research Article

Prognostic Factors and Treatment Results of High-Grade Osteosarcoma in Norway: A Scope Beyond the “Classical” Patient

Figure 3

Sarcoma specific survival of classical versus nonclassical osteosarcoma (OS) patients (a). Extremity versus nonextremity OS (b). Patients with and without metastasis at time of diagnosis (c). Patients above and below 40 years of age at time of diagnosis (d).