In the current study, three protein candidates, CXCL5 (C-X-C motif chemokine ligand 5), STC2 (stanniocalcin 2), and CHI3L1 (chitinase 3 like 1), were selected by analyzing the gene array datasets concerning CRC in GEO (Gene Expression Omnibus). Here, CXCL5 is linked to colorectal carcinoma.