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. 2018 Aug 18;19:297. doi: 10.1186/s12891-018-2217-1

Fig. 1.

Fig. 1

a-d Kaplan-Meier survival curves showing disease-specific survival for overall sarcoma (a), osteosarcoma (b), chondrosarcoma (c), and Ewing sarcoma (d), stratified by age. Child: ≤14 years, adolescent and young adult (AYA): 15–39 years, adult: 40–64 years, and elderly: ≥65 years. No elderly patients were included in d as no elderly patients were diagnosed with Ewing sarcoma