{"code":"C327","name":"CA19-9 Antigen","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"CA19-9 Antigen","termType":"DN","type":"FULL_SYN","typeCode":"P90","source":"CTRP"},{"name":"SIALYL LEWIS A","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"FDA","code":"ZEJ6FM4UJK","subSource":"UNII"},{"name":"CA19-9","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"GDC"},{"name":"CA-19-9","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"CA19-9","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"CA19-9 Antigen","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Cancer Antigen 19-9","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Carbohydrate Antigen 19-9","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Sialyl Le(a) Antigen","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Sialyl LeA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Sialyl LewisA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Sialyl-Lewis A","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Sialylated Lewis (a) Antigen","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Sialylated Lewis a Antigen","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"SLeA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"CA19-9 Antigen","type":"Display_Name","typeCode":"P107"},{"name":"CA19-9 Antigen","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"CA 19-9 is a fucosylated glycosphingolipid carbohydrate antigen that is soluble and is adsorbed to erythrocytes and to many adenocarcinomas of the digestive tract, especially pancreatic tumors. By structure CA 19-9 is related to the Lewis blood group antigens.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P210","type":"CAS_Registry","value":"92448-22-1"},{"code":"P368","type":"CHEBI_ID","value":"CHEBI:61793"},{"code":"P322","type":"Contributing_Source","value":"CTRP"},{"code":"P322","type":"Contributing_Source","value":"FDA"},{"code":"P322","type":"Contributing_Source","value":"GDC"},{"code":"P319","type":"FDA_UNII_Code","value":"ZEJ6FM4UJK"},{"code":"P366","type":"Legacy Concept Name","value":"CA19-9_Antigen"},{"code":"P375","type":"Maps_To","value":"CA19-9"},{"code":"P106","type":"Semantic_Type","value":"Immunologic Factor"},{"code":"P106","type":"Semantic_Type","value":"Organic Chemical"},{"code":"P106","type":"Semantic_Type","value":"Pharmacologic Substance"},{"code":"P207","type":"UMLS_CUI","value":"C0006613"}]}