# OnCo record atnec (trial). 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/trials/atnec/>
  a schema:MedicalTrial ;
  onco:kind "trial" ;
  schema:identifier "atnec", "NCT04109079" ;
  schema:name "ATNEC"@en ;
  schema:alternateName "Axillary management in breast cancer patients with needle biopsy proven nodal metastases after neoadjuvant chemotherapy"@en ;
  schema:description "If chemotherapy has cleared the lymph nodes completely, does the armpit still need an operation or radiotherapy? This British trial is asking, with arm swelling counted as an equal endpoint to survival. It is still recruiting."@en ;
  schema:url <https://onco.cc/trials/atnec/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://clinicaltrials.gov/study/NCT04109079> ;
  onco:status "recruiting" ;
  onco:phase "3" ;
  onco:cancers <https://onco.cc/cancers/breast-cancer/>, <https://onco.cc/cancers/breast-hr-positive/>, <https://onco.cc/cancers/breast-her2-positive/>, <https://onco.cc/cancers/tnbc/> ;
  onco:technologies <https://onco.cc/technologies/sentinel-node/> ;
  onco:terms <https://onco.cc/terms/targeted-axillary-dissection/>, <https://onco.cc/terms/sentinel-lymph-node-biopsy/>, <https://onco.cc/terms/axillary-surgery-de-escalation/>, <https://onco.cc/terms/breast-cancer-related-lymphoedema/>, <https://onco.cc/terms/neoadjuvant-versus-adjuvant-breast/> ;
  onco:trials <https://onco.cc/trials/acosog-z1071/>, <https://onco.cc/trials/targeted-axillary-dissection-md-anderson/>, <https://onco.cc/trials/nsabp-b51/>, <https://onco.cc/trials/posnoc/> .