title: ESTRO consensus guideline on target volume delineation for elective radiation therapy of early stage breast cancer, version 1.1.
authors.affiliation: Department of Oncology, Aarhus University Hospital, Noerrebrogade 44, Building 5, DK-8000 Aarhus C, Denmark. Electronic address: birgoffe@rm.dk.
authors.forename: Birgitte V
authors.initials: BV
authors.lastname: Offersen
authors.affiliation: Department of Radiation Oncology, Maastricht University Medical Centre - GROW (MAASTRO), Belgium.
authors.forename: Liesbeth J
authors.initials: LJ
authors.lastname: Boersma
authors.affiliation: Department of Radiation Oncology, Catholic University of Louvain, Belgium.
authors.forename: Carine
authors.initials: C
authors.lastname: Kirkove
authors.affiliation: Department of Radiation Oncology, Institute Verbeeten, Tilburg, The Netherlands.
authors.forename: Sandra
authors.initials: S
authors.lastname: Hol
authors.affiliation: Department of Oncology, Rigshospitalet, Copenhagen, Denmark.
authors.forename: Marianne C
authors.initials: MC
authors.lastname: Aznar
authors.affiliation: Department of Radiation Oncology, Hospital Clinic I Provincial, Barcelona, Spain.
authors.forename: Albert Biete
authors.initials: AB
authors.lastname: Sola
authors.affiliation: Department of Radiation Oncology, Institute Curie, Paris, France.
authors.forename: Youlia M
authors.initials: YM
authors.lastname: Kirova
authors.affiliation: Department of Radiation Oncology, Erasmus University Medical Centre, Rotterdam, The Netherlands.
authors.forename: Jean-Philippe
authors.initials: JP
authors.lastname: Pignol
authors.affiliation: Department of Radiation Oncology, Clinique Sainte Elisabeth (AMPR), Namur, Belgium.
authors.forename: Vincent
authors.initials: V
authors.lastname: Remouchamps
authors.affiliation: Department of Radiation Oncology, University Hospital Leuven, Belgium.
authors.forename: Karolien
authors.initials: K
authors.lastname: Verhoeven
authors.affiliation: Department of Radiation Oncology, University Hospital Leuven, Belgium.
authors.forename: Caroline
authors.initials: C
authors.lastname: Weltens
authors.affiliation: Department of Radiation Oncology, Hospital Universitari Sant Joan, Reus, Spain.
authors.forename: Meritxell
authors.initials: M
authors.lastname: Arenas
authors.affiliation: Department of Radiation Oncology, Maria Sklodowska-Curie Memorial Cancer Centre and Institute of Oncology, Gliwice, Poland.
authors.forename: Dorota
authors.initials: D
authors.lastname: Gabrys
authors.affiliation: Department of Oncology, Division of Radiation Oncology, McGill University, Montréal, Canada.
authors.forename: Neil
authors.initials: N
authors.lastname: Kopek
authors.affiliation: Department of Radiation Oncology, University Hospital and Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Germany; German Cancer Consortium (DKTK), Dresden and German Cancer Research Center (DKFZ), Heidelberg, Germany; OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus and Helmholtz-Zentrum Dresden - Rossendorf, Dresden, Germany; Helmholtz-Zentrum Dresden - Rossendorf, Institute of Radiooncology, Dresden, Germany.
authors.forename: Mechthild
authors.initials: M
authors.lastname: Krause
authors.affiliation: Department of Oncology, Sahlgrenska Universitetssjukhuset, Gothenborg, Sweden.
authors.forename: Dan
authors.initials: D
authors.lastname: Lundstedt
authors.affiliation: Department of Radiation Oncology, Institute of Oncology, Ljubljana, Slovenia.
authors.forename: Tanja
authors.initials: T
authors.lastname: Marinko
authors.affiliation: Department of Radiation Oncology, Hospital Universitario Ramón y Cajal, Madrid, Spain.
authors.forename: Angel
authors.initials: A
authors.lastname: Montero
authors.affiliation: Division of Radiotherapy and Imaging, Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, Sutton, UK.
authors.forename: John
authors.initials: J
authors.lastname: Yarnold
authors.affiliation: Department of Radiation Oncology, Radboud University Medical Centre, The Netherlands.
authors.forename: Philip
authors.initials: P
authors.lastname: Poortmans