CXCL8 and colorectal carcinoma: For the ninth dataset GSE103512, the mean value (5.334) of CXCL8 in the normal cell (0,0) is significantly smaller than the mean values (7.669, 7.291) of CXCL8 in CRC cells (1,2) and (1,3); the mean value (7.422) of PSMC2 in (0,0) is smaller than the mean values of PSMC2 in all CRC cells; the mean value (5.298) of SLC20A1 in (0,0) is larger than the mean value in cells (1,1) and (1,3).