Abstract
The squamous cell carcinoma (SCC) of the head and neck region (HNSCC) represents a serious problem in public health, due to its high incidence and risk of mortality. Oral SCC (OSCC) is related to smoking and drinking; while oropharyngeal SCC (OPSCC) shows a frequent association with human papillomavirus (HPV) infection. Several studies show that the prognosis of OPSCC is better than OSCC;…