National Cancer Institute Thesaurus

Last uploaded: June 2, 2026
Details
Acronym NCIT
Visibility Public
Description Vocabulary for clinical care, translational and basic research, and public information and administrative activities.
Status Production
Format OWL
Groups
Unified Medical Language System
OBO Foundry
License InformationThe NCIT is released under the CC BY 4.0 license (https://creativecommons.org/licenses/by/4.0/legalcode). The name "NCI Thesaurus" is trademarked (see ftp://ftp1.nci.nih.gov/pub/cacore/EVS/NCI_Thesaurus/ThesaurusTermsofUse.htm).
Contact
Nci Thesaurus Mailbox ([email protected])
Creation date
June 2, 2026
Deprecated
false See more...
Homepage
https://ncithesaurus.nci.nih.gov/ncitbrowser/ See more...
License
Notes
NCI Thesaurus, a controlled vocabulary in support of NCI administrative and scientific activities. Produced by the Enterprise Vocabulary System (EVS), a project by the NCI Center for Biomedical Informatics and Information Technology. National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, U.S.A. See more...
Object creation date property
http://purl.org/dc/elements/1.1/created
http://purl.org/dc/elements/1.1/created
Object modification date property
http://purl.org/dc/elements/1.1/modified
http://purl.org/dc/elements/1.1/modified
Root of obsolete branch
http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C28428
http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C28428
Submission date
June 2, 2026
Version information
26.05d See more...
Masterfilename
ThesaurusInferred.owl See more...
uri
http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl
http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl
Submissions
Version Released Uploaded Downloads
26.05d (Parsed, Indexed, Metrics, Annotator, Error Diff) 06/02/2026 06/02/2026 OWL | CSV | RDF/XML | Diff
26.04d (Archived) 05/21/2026 05/21/2026 OWL | Diff
26.03e (Archived) 04/03/2026 04/03/2026 OWL | Diff
26.02d (Archived) 03/06/2026 03/06/2026 OWL | Diff
26.01d (Archived) 02/09/2026 02/09/2026 OWL | Diff
25.12e (Archived) 01/27/2026 01/27/2026 OWL | Diff
24.01e (Archived) 02/01/2024 02/23/2024 OWL | Diff
24.01e (Archived) 02/01/2024 02/01/2024 OWL | Diff
23.12d (Archived) 12/30/2023 12/30/2023 OWL | Diff
23.11d (Archived) 12/02/2023 12/02/2023 OWL | Diff
23.10e (Archived) 11/06/2023 11/06/2023 OWL | Diff
23.09d (Archived) 09/27/2023 09/27/2023 OWL | Diff
23.08d (Archived) 08/30/2023 08/30/2023 OWL | Diff
23.07e (Archived) 08/01/2023 08/01/2023 OWL | Diff
23.06d (Archived) 06/28/2023 06/28/2023 OWL | Diff
23.05e (Archived) 06/01/2023 06/01/2023 OWL | Diff
23.04d (Archived) 05/03/2023 05/03/2023 OWL | Diff
23.04d (Archived) 04/26/2023 04/26/2023 OWL | Diff
23.03d (Archived) 04/04/2023 04/04/2023 OWL | Diff
23.03d (Archived) 03/30/2023 03/30/2023 OWL | Diff
23.02d (Archived) 03/03/2023 03/03/2023 OWL | Diff
23.02d (Archived) 02/28/2023 02/28/2023 OWL | Diff
23.01e (Archived) 01/31/2023 01/31/2023 OWL | Diff
22.12d (Archived) 01/05/2023 01/05/2023 OWL | Diff
22.11d (Archived) 11/30/2022 11/30/2022 OWL | Diff
22.10e (Archived) 11/02/2022 11/02/2022 OWL | Diff
22.09d (Archived) 09/28/2022 09/28/2022 OWL | Diff
22.08e (Archived) 09/01/2022 09/01/2022 OWL | Diff
22.07d (Archived) 07/26/2022 07/26/2022 OWL | Diff
22.06d (Archived) 06/30/2022 06/30/2022 OWL | Diff
22.05e (Archived) 06/01/2022 06/01/2022 OWL | Diff
22.04d (Archived) 04/26/2022 04/26/2022 OWL | Diff
22.03d (Archived) 03/31/2022 03/31/2022 OWL | Diff
22.03d (Archived) 03/29/2022 03/29/2022 OWL | Diff
22.02d (Archived) 03/01/2022 03/01/2022 OWL | Diff
21.12d (Archived) 02/02/2022 02/02/2022 OWL | Diff
21.12d (Archived) 12/28/2021 12/28/2021 OWL | Diff
21.11e (Archived) 11/29/2021 11/29/2021 OWL | Diff
21.10d (Archived) 10/25/2021 10/25/2021 OWL | Diff
21.09d (Archived) 09/27/2021 09/27/2021 OWL | Diff
21.08e (Archived) 08/30/2021 08/30/2021 OWL | Diff
21.07d (Archived) 07/27/2021 07/27/2021 OWL | Diff
21.05d (Archived) 05/24/2021 05/24/2021 OWL | Diff
21.04d (Archived) 04/27/2021 04/27/2021 OWL | Diff
21.03e (Archived) 03/30/2021 03/30/2021 OWL | Diff
21.03e (Archived) 03/29/2021 03/29/2021 OWL | Diff
21.02d (Archived) 03/15/2021 03/15/2021 OWL | Diff
21.01d (Archived) 01/25/2021 01/25/2021 OWL | Diff
20.12d (Archived) 12/28/2020 12/28/2020 OWL | Diff
20.11e (Archived) 11/30/2020 11/30/2020 OWL | Diff
20.10d (Archived) 10/26/2020 10/26/2020 OWL | Diff
20.09d (Archived) 09/30/2020 09/30/2020 OWL | Diff
20.08e (Archived) 08/31/2020 08/31/2020 OWL | Diff
20.07d (Archived) 07/28/2020 07/28/2020 OWL | Diff
20.07d (Archived) 07/27/2020 07/27/2020 OWL | Diff
20.06e (Archived) 06/29/2020 06/29/2020 OWL | Diff
20.04d (Archived) 05/26/2020 05/26/2020 OWL | Diff
20.04d (Archived) 04/27/2020 04/27/2020 OWL | Diff
20.03e (Archived) 03/31/2020 03/31/2020 OWL | Diff
20.03e (Archived) 03/30/2020 03/30/2020 OWL | Diff
20.02d (Archived) 02/24/2020 02/24/2020 OWL | Diff
20.01d (Archived) 01/27/2020 01/27/2020 OWL | Diff
19.12e (Archived) 12/30/2019 12/30/2019 OWL | Diff
19.11d (Archived) 11/25/2019 11/25/2019 OWL | Diff
19.10d (Archived) 10/28/2019 10/28/2019 OWL | Diff
19.09e (Archived) 09/30/2019 09/30/2019 OWL | Diff
19.08d (Archived) 08/27/2019 08/27/2019 OWL | Diff
19.07e (Archived) 07/29/2019 07/29/2019 OWL | Diff
19.06d (Archived) 06/25/2019 06/25/2019 OWL | Diff
19.05d (Archived) 05/28/2019 05/28/2019 OWL | Diff
19.04f (Archived) 05/04/2019 05/04/2019 OWL | Diff
19.04e (Archived) 04/29/2019 04/29/2019 OWL | Diff
19.03d (Archived) 03/26/2019 03/26/2019 OWL | Diff
19.02d (Archived) 03/25/2019 03/25/2019 OWL | Diff
19.02d (Archived) 02/25/2019 02/25/2019 OWL | Diff
19.01d (Archived) 02/04/2019 02/04/2019 OWL | Diff
19.01d (Archived) 01/29/2019 01/29/2019 OWL | Diff
18.12e (Archived) 12/31/2018 12/31/2018 OWL | Diff
18.11d (Archived) 11/26/2018 11/26/2018 OWL | Diff
18.10e (Archived) 10/30/2018 10/30/2018 OWL | Diff
18.09d (Archived) 09/24/2018 09/24/2018 OWL | Diff
18.08d (Archived) 08/28/2018 08/28/2018 OWL | Diff
18.07e (Archived) 07/30/2018 07/30/2018 OWL | Diff
18.06d (Archived) 06/25/2018 06/25/2018 OWL | Diff
18.05d (Archived) 05/29/2018 05/29/2018 OWL | Diff
18.04e (Archived) 05/01/2018 05/01/2018 OWL | Diff
18.03d (Archived) 03/27/2018 03/27/2018 OWL | Diff
18.03d (Archived) 03/26/2018 03/26/2018 OWL | Diff
18.02d (Archived) 02/27/2018 02/27/2018 OWL | Diff
18.01e (Archived) 01/29/2018 01/29/2018 OWL | Diff
17.12d (Archived) 12/26/2017 12/26/2017 OWL | Diff
17.11d (Archived) 12/07/2017 12/07/2017 OWL | Diff
17.11d (Archived) 11/27/2017 11/27/2017 OWL | Diff
17.10e (Archived) 10/31/2017 10/31/2017 OWL | Diff
17.09d (Archived) 09/26/2017 09/26/2017 OWL | Diff
17.09d (Archived) 09/25/2017 09/25/2017 OWL | Diff
17.08d (Archived) 09/06/2017 09/06/2017 OWL | Diff
17.06d (Archived) 06/27/2017 06/27/2017 OWL | Diff
17.05e (Archived) 06/15/2017 06/15/2017 OWL | Diff
17.03d (Archived) 04/10/2017 04/10/2017 OWL | Diff
17.02d (Archived) 04/07/2017 04/07/2017 OWL | Diff
16.05e (Archived) 03/17/2017 03/17/2017 OWL | Diff
16.05e (Archived) 07/01/2016 07/01/2016 OWL | Diff
16.03d (Archived) 04/11/2016 04/11/2016 OWL | Diff
16.02d (Archived) 03/04/2016 03/04/2016 OWL | Diff
16.01d (Archived) 01/29/2016 02/24/2016 OWL
15.05d (Archived) 05/06/2015 05/06/2015 RDF/TTL | Diff
15.03e (Archived) 04/14/2015 04/14/2015 OWL | Diff
15.02d (Archived) 03/05/2015 03/05/2015 OWL | Diff
15.01d (Archived) 02/13/2015 02/13/2015 OWL | Diff
14.12e (Archived) 01/24/2015 01/24/2015 OWL | Diff
14.11d (Archived) 12/17/2014 12/17/2014 OWL | Diff
14.10d (Archived) 11/11/2014 11/11/2014 OWL | Diff
14.09e (Archived) 10/28/2014 10/28/2014 OWL | Diff
14.08d (Archived) 09/17/2014 09/17/2014 OWL | Diff
14.07d (Archived) 08/26/2014 08/26/2014 OWL | Diff
14.06e (Archived) 07/14/2014 07/14/2014 OWL | Diff
14.05d (Archived) 06/02/2014 06/02/2014 OWL | Diff
14.04d (Archived) 05/05/2014 05/05/2014 OWL | Diff
14.03e (Archived) 04/21/2014 04/21/2014 OWL | Diff
14.01d (Archived) 03/17/2014 03/17/2014 OWL | Diff
13.10b (Archived) 02/20/2014 02/20/2014 OWL | Diff
13.10b (Archived) 02/14/2014 02/14/2014 OWL | Diff
13.10b (Archived) 02/08/2014 02/08/2014 OWL | Diff
13.10b (Archived) 01/14/2014 01/14/2014 OWL | Diff
13.10b (Archived) 12/17/2013 12/17/2013 OWL
13.10b (Archived) 12/09/2013 12/09/2013 OWL
13.07e (Archived) 10/30/2013 10/30/2013 OWL
13.07e (Archived) 10/18/2013 10/18/2013 OWL
13.07e (Archived) 08/13/2013 08/13/2013 OWL
13.06d (Archived) 08/05/2013 08/05/2013 OWL
13.05d (Archived) 06/10/2013 06/10/2013 OWL
13.04e (Archived) 05/15/2013 05/15/2013 OWL
13.03d (Archived) 04/16/2013 04/23/2013 OWL
13.03d (Archived) 04/16/2013 04/23/2013 OWL
13.03d (Archived) 04/16/2013 04/16/2013 OWL
13.02d (Archived) 02/25/2013 04/01/2013 OWL
12.04e (Archived) 04/30/2012 06/08/2012 OWL
12.03d (Archived) 03/26/2012 05/23/2012 OWL
11.06d (Archived) 07/27/2011 09/30/2011 OWL
11.01e (Archived) 03/15/2011 03/21/2011 OWL
10.03 (Archived) 03/15/2010 05/24/2010 OWL
10.01 (Archived) 01/15/2010 04/23/2010 OWL
09.09 (Archived) 11/09/2009 02/10/2010 OWL
09.07 (Archived) 09/02/2009 09/18/2009 OWL
09.05d (Archived) 12/08/2008 07/29/2009 OWL
08.12d (Archived) 12/08/2008 02/25/2009 OWL
7.06D (Archived) 08/22/2007 08/24/2007 OWL
more...
Views of NCIT
lanxin huang
一个中文脑胶质瘤预后本体
HealthModEx
Ontologies for describing health economic models
Activity-View
Activity subtree of NCIt.
Neoplasm
The NCIt Neoplasm provides a core reference set of NCIt neoplasm classification concepts that is designed to facilitate consistent coding, analysis, and data sharing across a broad range of NCI and related resources.
Metrics
Classes 206,378
Individuals 0
Properties 97
Maximum depth 23
Maximum number of children 3,234
Average number of children 6
Classes with a single child 14,684
Classes with more than 25 children 1,439
Classes with no definition 33,300
Visits
Projects using NCIT

A Visualization Tool for Refining Mappings between Biomedical Ontologies

AdaptEHR

Cellosaurus

DisGeNET-RDF

Electronic Trial Master File

Epidemic Marketplace

eTOX

International Fanconi Anemia Registry

ISA software suite

Lexigram

LogMap

Maggot

MeRy-B

Patient/Research Participant Permissions Ontology

Pediatric Terminology

PMF_Foodmatrix

Semantic Indexing of French Biomedical Data Resources

SemGen

Sorcero Health Equity Analytics