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PPP2R2B was associated with immune checkpoint members and antigen presentation family genes. a, b Gene set enrichment analysis in TCGA and METABRIC, respectively. c, d The difference levels of the genes associated with antigens presentation and immune checkpoint members in TNBC and METABRIC patients with different PPP2R2B expression, respectively. ns Not significant, *p < 0.05, **p < 0.01, ***p < 0.001 and ****p < 0.0001
