National Cancer Institute Thesaurus

Last uploaded: July 2, 2026

Id	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C12748 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C12748
Preferred Name	Mediastinum
Definitions	An anatomic site along the midline and under the sternum that contains the heart and pericardium, the bases of the great vessels, the trachea and bronchi, esophagus, thymus, lymph nodes, thoracic duct, phrenic and vagus nerves, and other structures and tissues.
Synonyms	Mediastinum, NOS Mediastinal structure (body structure) MEDIASTINUM Mediastinum mediastinum mediastinal part of chest
Type	http://www.w3.org/2002/07/owl#Class

label	Mediastinum
Is_PCDC_GCT_Authorized_Value_For_Variable	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177358 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C164323 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C173281 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C157120
prefixIRI	Thesaurus:C12748
code	C12748
DEFINITION	An anatomic site along the midline and under the sternum that contains the heart and pericardium, the bases of the great vessels, the trachea and bronchi, esophagus, thymus, lymph nodes, thoracic duct, phrenic and vagus nerves, and other structures and tissues.
ALT_DEFINITION	The central part of the thoracic cavity enclosed by the left and right pleurae. The area between the lungs. The organs in this area include the heart and its large blood vessels, the trachea, the esophagus, the thymus, and lymph nodes but not the lungs. The central region of the thoracic cavity of mammals containing a group of organs surrounded by loose connective tissue, which separates the two pleural sacs.
Is_Value_For_GDC_Property	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C70729 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C171435 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C173263 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C156422 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C156421 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177570 See more See less
Legacy Concept Name	Mediastinum
Contributing_Source	CDISC GDC PCDC UBERON mCode
xRef	UBERON:0003728
Is_PCDC_EWS_Authorized_Value_For_Variable	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C119940 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C157120
FULL_SYN	Mediastinum, NOS Mediastinal structure (body structure) MEDIASTINUM Mediastinum mediastinum mediastinal part of chest See more See less
UMLS_CUI	C0025066
Maps_To	Mediastinum, NOS Mediastinum
Preferred_Name	Mediastinum
type	http://www.w3.org/2002/07/owl#Class
subClassOf	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C12680
Display_Name	Mediastinum
Concept_In_Subset	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#C177403 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168656 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C77529 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C77526 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177402 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C61410 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193234 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C198975 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C174241 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C174237 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168660 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C174261 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168664 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168663 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C186321 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C193006 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168655 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177383 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C74456 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177394 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C186341 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C168659 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C177537 See more See less
Semantic_Type	Body Part, Organ, or Organ Component

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