Figure 4. (A) Kaplan–Meier survival analysis in Tongji cohort. (B) ROC curve showed good accuracy of this signature in Tongji cohort. (C) The association between risk score and living status. (D) The association between risk score and vascular invasion. (E) The association between risk score and tumor grade. (F) The association between risk score and tumor stage. **P < 0.01 and ***P < 0.001.