# OnCo record efs (term). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/terms/efs/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "efs" ;
  schema:name "Event-free / disease-free survival (EFS, DFS, iDFS, RFS)"@en ;
  schema:alternateName "EFS"@en, "DFS"@en, "iDFS"@en, "RFS"@en, "event-free survival"@en, "recurrence-free survival"@en, "recurrence-free"@en, "relapse-free survival"@en, "relapse-free"@en, "invasive disease-free survival"@en, "distant disease-free survival"@en, "distant recurrence-free"@en, "failure-free survival"@en, "time to recurrence"@en ;
  schema:description "In early-stage cancer: how long patients stay free of recurrence, progression, or death."@en ;
  schema:url <https://onco.cc/terms/efs/> ;
  schema:dateModified "2026-09-04"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Disease-free_survival> ;
  schema:citation <https://en.wikipedia.org/wiki/Disease-free_survival>, <https://doi.org/10.1056/nejmoa1809775>, <https://doi.org/10.1093/jnci/djm024> ;
  onco:related <https://onco.cc/terms/surrogate-validation/>, <https://onco.cc/terms/surrogate-endpoint/>, <https://onco.cc/terms/pcr/>, <https://onco.cc/terms/mrd/>, <https://onco.cc/terms/os/>, <https://onco.cc/terms/group-sequential-design/>, <https://onco.cc/terms/absolute-benefit/> ;
  onco:cancers <https://onco.cc/cancers/pancreatic/> ;
  onco:terms <https://onco.cc/terms/clinical-benefit-response/> ;
  onco:trials <https://onco.cc/trials/keynote-522/>, <https://onco.cc/trials/natalee/>, <https://onco.cc/trials/interpath-001/>, <https://onco.cc/trials/monarche/>, <https://onco.cc/trials/keynote-564/>, <https://onco.cc/trials/adaura/>, <https://onco.cc/trials/challenge/> .