CXCL8 and colorectal carcinoma: For the first dataset TCGA-COAD-329, the mean value (5.953) of CXCL8 in the normal cell (0,0) is significantly smaller than the mean values (9.914, 9.634) of CXCL8 in CRC cells (1,2), (1,3); the mean value (10.26) of PSMC2 in (0,0) is smaller than all mean values in all other cells; the mean value (11.58) of SLC20A1 in (0,0) is larger than the mean values in all other cells.