Oropharyngeal cancer,[1][2][3] also known as oropharyngeal squamous cell carcinoma and tonsil cancer,[1] is a disease in which abnormal cells with the potential to both grow locally and spread to other parts of the body are found in the oral cavity, in the tissue of the part of the throat (oropharynx) that includes the base of the tongue, the tonsils, the soft palate, and the walls of the pharynx.[1][2][3][5]

Reference
Wiki: Oropharyngeal squamous cell carcinoma