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Cancers of the head and neck refer to a group of biologically similar tumors that start in and around the regions of the oral and nasal cavity, the paranasal sinuses, the pharynx, and the larynx. Squamous cell cancers are the most commonly found cancers of the head and neck (HNSCC). HNSCC usually develops in males around the ages of 60 to 70 years. The five-year survival rate of patients with HNSCC is about 40–50%. Head and neck cancers often spread to the lymph nodes of the neck, which is usually the first and in some cases, the only sign of the disease at the time of its diagnosis. Head and neck cancer is strongly associated with certain environmental and lifestyle risk factors, including alcohol, tobacco, ...

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