# OnCo record landmark-survival (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/landmark-survival/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "landmark-survival" ;
  schema:name "Landmark and milestone survival (5-year survival, median follow-up)"@en ;
  schema:alternateName "landmark analysis"@en, "milestone survival"@en, "milestone analysis"@en, "5-year survival"@en, "five-year survival"@en, "5-year OS"@en, "5-year PFS"@en, "5-year survival rate"@en, "10-year survival"@en, "2-year survival"@en, "3-year survival"@en, "1-year survival"@en, "survival rate"@en, "survival rates"@en, "median follow-up"@en, "median follow up"@en, "long-term survival"@en, "long-term survivors"@en, "tail of the curve"@en, "Kaplan-Meier"@en, "Kaplan–Meier"@en, "survival curve"@en, "survival curves"@en, "curves separate"@en, "curves cross"@en, "restricted mean survival time"@en, "RMST"@en, "long-term survivor"@en ;
  schema:description "The percentage of patients alive (or progression-free) at a fixed time point such as 2, 5 or 10 years, read off a Kaplan-Meier survival curve. With immunotherapy the 'tail of the curve', the fraction still alive years later, often matters more than the median."@en ;
  schema:url <https://onco.cc/terms/landmark-survival/> ;
  schema:dateModified "2026-09-09"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Kaplan%E2%80%93Meier_estimator> ;
  schema:citation <https://en.wikipedia.org/wiki/Kaplan%E2%80%93Meier_estimator> ;
  onco:related <https://onco.cc/terms/os/>, <https://onco.cc/terms/pfs/>, <https://onco.cc/terms/hazard-ratio/>, <https://onco.cc/terms/data-maturity/>, <https://onco.cc/terms/interim-analysis/>, <https://onco.cc/terms/kaplan-meier-curve/>, <https://onco.cc/terms/absolute-benefit/> ;
  onco:sections <https://onco.cc/fronts/drug-discovery/> ;
  onco:trials <https://onco.cc/trials/checkmate-067/>, <https://onco.cc/trials/keynote-024-189/> .