CXCL6 and head and neck squamous cell carcinoma: The results showed that the transcription levels of CXCL1, CXCL2, CXCL3, CXCL5, CXCL6, CXCL8, CXCL9, CXCL10, CXCL11, and CXCL13 in HNSCC samples were significantly higher than those in normal samples.