# OnCo record tumour-doubling-time (technology). 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/technologies/tumour-doubling-time/>
  a schema:MedicalTherapy ;
  onco:kind "technology" ;
  schema:identifier "tumour-doubling-time" ;
  schema:name "Tumour volume doubling time"@en ;
  schema:description "How long a tumour takes to double in volume, measured from two scans; it separates cancers from benign nodules in lung screening, sorts aggressive from indolent disease and estimates how long a tumour has been present."@en ;
  schema:url <https://onco.cc/technologies/tumour-doubling-time/> ;
  schema:dateModified "2026-09-17"^^xsd:date ;
  schema:citation <https://doi.org/10.1056/NEJMoa0906085> ;
  onco:status "established" ;
  onco:tag "mathematical-model" ;
  onco:cancers <https://onco.cc/cancers/nsclc/>, <https://onco.cc/cancers/rcc/> ;
  onco:sections <https://onco.cc/fronts/ai-computation/>, <https://onco.cc/fronts/drug-discovery/> ;
  onco:technologies <https://onco.cc/technologies/radiomics/>, <https://onco.cc/technologies/radiology-ai-screening/>, <https://onco.cc/technologies/active-surveillance/> ;
  onco:trials <https://onco.cc/trials/nlst-nelson/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-van-klaveren-n-engl-j-med/> .