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Kaplan-Meier curves of CD8+ T cell immune infiltration, STAT1 and PD-L1 in TCGA-STAD prognosis analysis. (a) CD8+ T cell immune infiltration; (b) STAT1; (c) PD-L1; (d) CD8+ T cell immune infiltration combined STAT1; (e) CD8+ T cell immune infiltration combined PD-L1. Log rank test for p-value.
