Figure 1. The three-gene signature-focused risk score in prognosis of overall survival in the validation group. (A) The three gene-based risk score distribution. (B) The heatmap of the expression of three genes. (C) Patients’ overall survival status in training group. (D) The mortality rate in low- and high-risk score groups. (E) Patients’ progression-free survival status in training group. (F) The recurrence rate in low- and high-risk score groups.