CXCL8 and lung carcinoma: For lung cancer, high intra-tumoral concentrations of CXCR2 ligands (CXCL1, CXCL5, and CXCL8) and type 2 cytokines IL-4, IL-5, IL-10, and IL-13 have been reported for non-small cell lung cancer [38, 39].