Figure 6. Validation of prognostic model. (A) High and low-risk group curves and the heat map of the model in the validation set. (B) KM survival curve of high and low-risk groups in the validation set. (C) Survival ROC curve of the validation set. (D) ROC curve for clinicopathological factors and risk score of patients at 1, 3, and 5 years. (E) Comparing the risk model with other models.