While oral cancer (i.e., oral cavity and oropharynx cancers collectively) accounts for almost 3% of all cancers diagnosed annually in the United States, it is responsible for 1.8% of all cancer deaths. The death rate associated with oral cancer is particularly high because it is generally not discovered until late in its development. Early-stage symptoms of oral cancer are often painless, such as a white or red patches of tissue or a lesion ...