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skos:definition |
NCI: Cancer that begins in the tongue. When the cancer begins in the front two-thirds of the tongue, it is considered to be a type of oral cavity cancer; when the cancer begins in the back third of the tongue, it is considered to be a type of oropharyngeal or throat cancer.,NCI: A malignant tumor arising from the epithelium that covers the tongue. The vast majority of tongue carcinomas are moderately or poorly differentiated squamous cell carcinomas. -- 2004
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