In light of this, the TIMER2 database was utilized to investigate the possibility of a correlation between CX3CL1 and CD4+ T cell infiltration were observed in colon adenocarcinoma (COAD), LIHC, GBM, PRAD, KIRC, LUAD, HNSC, THCA, and sarcoma (SARC) based on the EPIC and TIMER algorithms (Figure 5A). This evidence concerns the gene CD4 and colon adenocarcinoma.