Figure 4. The Kaplan-Meier survival analysis of the selected DE-AFs. Survival analysis of the selected DE-AFs in the TCGA cohort, APOE (A), EZH2 (B), ICAM1 (C), PTGS2 (D), S100A1 (E), SPP1 (F) and TIMP1 (G). High and low expression is shown in blue and red, respectively.