# OnCo record post-mastectomy-radiotherapy (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/post-mastectomy-radiotherapy/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "post-mastectomy-radiotherapy" ;
  schema:name "Radiotherapy after mastectomy"@en ;
  schema:alternateName "postmastectomy radiotherapy"@en, "PMRT"@en, "chest wall radiotherapy"@en, "chest-wall irradiation"@en ;
  schema:description "Radiotherapy to the chest wall, and often the nearby lymph node areas, after the breast has been removed. It clearly helps women with cancer in several lymph nodes. For women with one to three involved nodes treated with modern drugs, a trial that reported in 2025 found it did not lengthen life."@en ;
  schema:url <https://onco.cc/terms/post-mastectomy-radiotherapy/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://doi.org/10.1016/S0140-6736(14)60488-8>, <https://doi.org/10.1056/NEJMoa2412225>, <https://www.nice.org.uk/guidance/ng101> ;
  onco:related <https://onco.cc/terms/mastectomy/>, <https://onco.cc/terms/breast-reconstruction/>, <https://onco.cc/terms/hypofractionation/>, <https://onco.cc/terms/radiotherapy-omission-early-breast-cancer/> ;
  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:sections <https://onco.cc/fronts/radiation/> ;
  onco:technologies <https://onco.cc/technologies/imrt-igrt/>, <https://onco.cc/technologies/hypofractionated-radiotherapy/> ;
  onco:trials <https://onco.cc/trials/supremo/>, <https://onco.cc/trials/nsabp-b51/>, <https://onco.cc/trials/ma-20/>, <https://onco.cc/trials/eortc-22922/>, <https://onco.cc/trials/nsabp-b04/> .