GZMB and breast cancer: Gene expression analysis uncovered that 14 proinflammatory genes (CCL5, CD19, CD88, CXCL10, CXCL13, CXCL9, GNLY, GZMB, IFNG, IGKC, IL12B, IRF1, PRF1, and TBX21) were significantly overexpressed in TNBC when compared to other breast cancer subtypes or normal breast tissue.