In support of this notion, we did observe that non-small cell lung cancer cell lines secreted several prominent ELR-CXC chemokines, CXCL1/growth-related oncogene alpha (GROα), CXCL6/granulocyte chemotactic protein 2 (GCP-2), and CXCL8/IL-8. Here, CXCL6 is linked to non-small cell lung carcinoma.