Head and neck squamous cell cancer (SCCHN) is the fifth most common cancer worldwide and is the most common neoplasm in central Asia [1]. Head and neck malignancies are common in regions of the world where tobacco use and alcohol consumption is high [2]. The five-year survival ranges from 20 to 90% depending upon the subsite of origin and the clinical extent of disease [3]. Current therapy consists of surgery, radiotherapy and chemotherapy [3]. More than 60% patients develop recurrence in locally advanced head and neck cancer [4].
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