Figure 8. Prediction model of DFS in patients with sarcoma. (A) Nomogram constructed based on the three independent risk factors identified by Cox hazards analysis. (B) ROC analysis of DFS prediction in patients with sarcoma. (C) Calibration plot for evaluating the estimation accuracy of the nomogram. (D) Two-year DCA comparing the model and other clinical features. (E) Four-year DCA comparing the model and other clinical features. (F) Six-year DCA comparing the model and other clinical features.