Four MTRs (CCR2, PDE6G, RANTES, and IFN-γ) and one TF (GR) showed a significant positive correlation (Pearson’s correlation: 0.49–0.87, q < 0.001) with cytotoxic lymphocytes for both AFR and EUR patients with CRC (Figure 3A). Here, CCR2 is linked to colorectal carcinoma.