Cancer of head and neck:a multidisciplinary approach

The head and neck region encompasses structures from the base of the skull to the clavicles which include nasopharynx,oropharynx,hypopharynx,larynx and oral cavity.Tobacco,alcohol,and human papilloma virus(HPV)infection are the three major risk factors for head and neck squamous cell carcinoma(HNSCC)in different countries.