| umls-concept:C2931822 | skos:definition | NCI: Cancer that forms in tissues of the nasopharynx (upper part of the throat behind the nose). Most nasopharyngeal cancers are squamous cell carcinomas (cancer that begins in flat cells lining the nasopharynx).,NCI: A carcinoma arising from the nasopharyngeal epithelium. It includes the following types: keratinizing squamous cell carcinoma, nonkeratinizing carcinoma (differentiated and undifferentiated), basaloid squamous cell carcinoma, and papillary adenocarcinoma. | lld:umls |
