CD4 and cancer: For instance, in the case of the BRCA cancer cohort, the cell percentage of naïve B cells, plasma cells, CD8 T cells, resting CD4 memory T cells, T follicular helper cells, T regulatory cells, gamma delta T cells, activated NK cells, resting dendritic cells, resting mast cells, and neutrophils is found to be significantly different among clusters C1, C2, and C3 (Supplementary Figure S7B).