High levels of CXCL8 (and CXCL1) in lung adenocarcinoma are linked to increased cancer risk and a poor disease prognosis, whereas low expression of CXCL1, CXCL7, and CXCL8 is associated with a better prognosis [114, 115]. Here, CXCL1 is linked to lung adenocarcinoma.