{"code":"C113243","name":"Circulating Tumor-Derived DNA","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"Cell-Free Circulating Tumor DNA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Circulating Tumor DNA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"ctDNA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Circulating Tumor DNA","termType":"DN","type":"FULL_SYN","typeCode":"P90","source":"CTRP"},{"name":"Circulating Tumor DNA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Circulating Tumor-Derived DNA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"ctdDNA","termType":"AB","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"ctDNA","termType":"AB","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Circulating Tumor DNA","type":"Display_Name","typeCode":"P107"},{"name":"Circulating Tumor-Derived DNA","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A type of cell-free DNA composed of small fragments of tumor DNA that are released by tumor cells into the bloodstream of the host.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"Neoplasm-derived DNA fragments found in the bloodstream or other bodily fluids that have been released from cells.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P322","type":"Contributing_Source","value":"CTRP"},{"code":"P106","type":"Semantic_Type","value":"Nucleic Acid, Nucleoside, or Nucleotide"},{"code":"P207","type":"UMLS_CUI","value":"C3827014"}]}