Figure 1. Kaplan-Meier curves of disease-free survival (DFS) in esophageal squamous cell carcinoma (ESCC) based on genotypes, prognostic significance was found for the FAS/ACTA2 rs2234767 G/A genotypes in ESCC: (A), under a reference model; (B), under a dominant model; and for the FAS/ACTA2 rs1800682 T/C genotypes: (C), under a reference model; (D), under a dominant model. P values in the univariate Cox hazard models.