• NCI Thesaurus

  Published by NCI, this thesaurus contains the working terminology used in a growing number of NCI data systems. It covers vocabulary for clinical care, translational and basic research, and public information and administrative activities. The NCI Thesaurus provides definitions, synonyms, and other information on more than 7000 cancers and related diseases, 5500 single agents and combination therapies, and a wide range of other cancer-related topics.

• NCI Metathesaurus

  The NCI Metathesaurus is a comprehensive biomedical terminology database that contains 850,000 concepts mapped to 1,500,000 terms by over 4,500,000 relationships. The public version of NCI Metathesaurus currently contains all public domain vocabularies from the National Library of Medicine's UMLS Metathesaurus, as well as a growing number of NCI-specific vocabularies developed by the National Cancer Institute.

• NCI Enterprise Vocabulary Services (EVS)

  EVS is a collaborative effort of the NCI Office of Communications and the NCI Center for Bioinformatics. The EVS Project facilitates the standardization of terminology across the Institute and the larger cancer community. This project provides a set of services and resources, including NCI Thesaurus and NCI Metathesaurus, that address these needs.

Back to Top