Research Article

High-Grade Osteosarcoma of the Foot: Presentation, Treatment, Prognostic Factors, and Outcome of 23 Cooperative Osteosarcoma Study Group COSS Patients

Figure 1

Overall survival () (95% confidence interval: 0.0–10.8) and event-free survival () (95% confidence interval: 3.6–14.3) of the 23 patients with high-grade osteosarcoma of the foot.