SFRP4 Is a Potential Biomarker for the Prognosis and Immunotherapy for Gastric Cancer

Figure 3

Association of SFRP4 expression with PD-L1 and tumor-infiltrating lymphocytes in gastric cancer. (a) Association between PD-L1 expression and SFRP4 expression in gastric cancer. (b) Correlation between CD3⁺T cells and SFRP4 expression in gastric cancer. (c) Association between CD4⁺T cells and SFRP4 expression in gastric cancer. (d) Association between CD8⁺T cells and SFRP4 expression in gastric cancer. (e) Correlation between SFRP4 expression and immune cells in gastric adenocarcinoma in the TIMER database (purity-corrected partial Spearman’s rho value and statistical significance).

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