Source:http://linkedlifedata.com/resource/umls/id/C2349952
NCI: Cancer that forms in tissues of the oropharynx (the part of the throat at the back of the mouth, including the soft palate, the base of the tongue, and the tonsils). Most oropharyngeal cancers are squamous cell carcinomas (cancer that begins in flat cells lining the oropharynx).,NCI: Carcinoma, predominantly squamous cell, arising from epithelial cells of the oropharynx. -- 2004