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See also : [[Throat Cancer]]<br>Cancer of the pharynx is less common than other head and neck cancers. It occurs in three locations:* The oropharynx, which includes tumours of the base of tongue, tonsil and the undersurface of the soft palate.* The hypopharynx, which includes tumours of the postcricoid area, pyriform sinus and the posterior pharyngeal wall.* The nasopharynx, which is behind the nasal cavity and above the soft palate