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Government Funding Lapse
Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

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NCI Dictionaries

  • NCI Dictionary of Cancer Terms

    A dictionary of cancer and biomedical terms defined in non-technical language. Terms and definitions are reviewed by a multidisciplinary panel of reviewers and new terms are added each month.

  • NCI Dictionary of Genetics Terms

    A dictionary of genetics terms written for healthcare professionals. This resource was developed to support the comprehensive, evidence-based, peer-reviewed PDQ cancer genetics information summaries.

  • NCI Drug Dictionary

    The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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