National Cancer Institute Thesaurus - Interstitial Radiation Therapy - Classes | NCBO BioPortal

National Cancer Institute Thesaurus

Last uploaded: June 2, 2026

Id	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C66891 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C66891
Preferred Name	Interstitial Radiation Therapy
Definitions	A type of internal radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into a tumor or body tissue. (Cancer.gov)
Synonyms	Radiation, Implants implant radiation Interstitial brachytherapy (procedure) Implant Radiation BRACHYTHERAPY, INTERSTITIAL interstitial radiation therapy Interstitial Radiation Therapy INSTIT
Type	http://www.w3.org/2002/07/owl#Class

label	Interstitial Radiation Therapy
prefixIRI	Thesaurus:C66891
code	C66891
DEFINITION	A type of internal radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into a tumor or body tissue. (Cancer.gov)
ALT_DEFINITION	A type of brachytherapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into a tumor or body tissue. A type of internal radiation therapy in which radioactive material sealed in needles, seeds, wires, or catheters is placed directly into a tumor or body tissue.
Is_Value_For_GDC_Property	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C25218
Legacy Concept Name	Interstitial_Radiation_Therapy
Contributing_Source	CDISC CTRP GDC OORO mCode
FULL_SYN	Radiation, Implants implant radiation Interstitial brachytherapy (procedure) Implant Radiation BRACHYTHERAPY, INTERSTITIAL interstitial radiation therapy Interstitial Radiation Therapy INSTIT See more See less
UMLS_CUI	C1881237
Maps_To	Radiation, Implants
Preferred_Name	Interstitial Radiation Therapy
type	http://www.w3.org/2002/07/owl#Class
subClassOf	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C15195
Display_Name	Interstitial Radiation Therapy
Concept_In_Subset	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C101858 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C66830 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C157711 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C192234 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193211 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193252 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193215 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C61410 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193216 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193212 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C116977 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C118169 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193006 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193213 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177537 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193217 See more See less
Semantic_Type	Therapeutic or Preventive Procedure

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