CXCL12 and colon adenocarcinoma: These results were majorly consistent with our findings from the GEPIA database, which indicated that the CXCL1/2/3/4/5/8/9/10/11/13/14/16 expression was significantly upregulated in COAD and READ tissues relative to that in the normal tissue, while the CXCL12 expression was downregulated.