Clinical Epidemiology of Low-Grade and Dedifferentiated Osteosarcoma in Norway during 1975 and 2009

Figure 2

Sarcoma-specific survival of low-grade (LGOS) and dedifferentiated osteosarcoma (DLGOS) versus (a) high-grade OS, (b) dependent on time of diagnosis, 1975–2009, and (c) by best local surgical margin.

(a)

(b)

(c)