NCIt synonyms : Carcinoma of Oral Cavity; Carcinoma of Mouth; Mouth Carcinoma; Carcinoma of the Oral Cavity;
NCIt related terms : Mouth Cancer; oral cavity cancer;
NCIt definition : A carcinoma arising in the oral cavity. Most oral cavity carcinomas are squamous cell
carcinomas of the tongue, buccal mucosa, or gums. Less frequent morphologic variants
include mucoepidermoid carcinoma and adenocarcinoma.;
Alternative definition : NCI-GLOSS: 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.;