An immune signature consisting of BCL3, CCL2, CCL3, CCL4L1, CCL4L2, CCL7, CD83, CTSL1, CXCL2, CXCL3, DEFA1, DUSP4, EREG, GNL1, GPR183, HBEGF, IL10, IL1R1, IL1R2, IL1RAP, IL6, IL8, IRS2, JUN, NFIL3, NFKBIA, NLRP3, OASL, OSM, PDCD1, PELI1, PIK3R1, PNP, PTGER4, RGCC, RGS1, RIPK2, SEMA7A, THBS1, TNFAIP3, ULBP2 and VEGFA, was enriched (p = 2.6 × 10−11) in PBMCs from CRC. Here, IRS2 is linked to colorectal carcinoma.