On the other hand, AC008764.8, AC127521.1, LINC00539, AC243829.2, AL121845.4, AC020911.1, AC139256.3, LINC00861, AC009121.3 and CDKN2A-DT were protective factors for HNSCC patients. This evidence concerns the gene CDKN2A and head and neck squamous cell carcinoma.