CXCL6 and head and neck squamous cell carcinoma: In the Ginos Head-Neck dataset, CXCL1, CXCL2, CXCL3, CXCL5, CXCL6, CXCL8, CXCL9, CXCL10, CXCL11, and CXCL13 were overexpressed in HNSCC samples in contrast with normal tissues, and the fold changes were 17.404, 12.793, 5.374, 16.431, 2.964, 36.405, 6.976, 6.41, 6.635, and 6.901, respectively (19).