KLRD1 and cancer: Cancer cells recruited the CD4_T_cells_c2_CXCL13, CD8_T_cells_c1_GZMK, CD8_T_cells_c4_IFIT3, NK_cells_KLRD1, and Treg_cells_FOXP3 clusters through the CXCL10‐CXCR3 ligand–receptor pair (Figure S4g, Supporting Information).