CD2 and breast cancer: Furthermore, 17 immunity genes, APOBEC3G, CCL5, CCR2, CD2, CD27, CD3D, CD52, CORO1A, CXCL9, GZMA, GZMK, HLA-DMA, IL2RG, LCK, PRKCB, PTPRC, and SH2D1A, were identified from the Affymetrix gene expression dataset for significant prognostic stratification of ER- breast cancer and highly proliferative breast cancers.