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PKM2 expression associates with the prognosis of breast cancer patients. (a) Expression level of PKM2 in normal tissue and primary breast cancer tissues. (b) Expression level of PKM2 in different subclasses (TNBC, luminal, and HER-2) of breast cancer. (c) Kaplan–Meier curves showed that the patients with higher PKM2 expression had poorer overall survival (P < 0.005). Abbreviations: BRCA: breast invasive carcinoma (∗∗∗P < 0.001; ∗∗P < 0.01; ∗P < 0.05; NC : P > 0.01).
