Definition of oral cavity cancer - NCI Dictionary of Cancer Terms

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oral cavity cancer (OR-ul KA-vih-tee KAN-ser)

Cancer that forms in tissues of the oral cavity (the mouth). The tissues of the oral cavity include the lips, the lining inside the cheeks and lips, the front two thirds of the tongue, the upper and lower gums, the floor of the mouth under the tongue, the bony roof of the mouth, and the small area behind the wisdom teeth.

Previous Definitions:	optical spectroscopy, oral, oral and maxillofacial surgeon, oral cancer, oral cavity
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