Fig. 4

Effect of breast cancer stemness genes on immune microenvironment. A Immune microenvironment assessment of the C1 and C2 subtypes based on Estimate algorithm. *p < 0.05; **p < 0.01; ***p < 0.001; ****p < 0.0001. B Immune cell infiltration analysis for the C1 and C2 subtypes based on five algorithms: Timer, Quantiseq, xCell, EPIC and MCPCOUNTER. *p < 0.05; **p < 0.01; ***p < 0.001; ****p < 0.0001. C Expression of immune checkpoints in the C1 and C2 subtypes. *p < 0.05; **p < 0.01; ***p < 0.001; ****p < 0.0001