title: Reply to a. Levy et Al.
authors.affiliation: Örebro University Hospital, Örebro, Sweden asa.wickberg@orebroll.se.
authors.forename: Asa
authors.initials: A
authors.lastname: Wickberg
authors.affiliation: King's College, London, Medical School, London, United Kingdom; Uppsala University, Uppsala, Sweden.
authors.forename: Lars
authors.initials: L
authors.lastname: Holmberg
authors.affiliation: Harvard School of Public Health, Boston, MA.
authors.forename: Hans-Olov
authors.initials: HO
authors.lastname: Adami
authors.affiliation: Örebro University Hospital, Örebro, Sweden.
authors.forename: Anders
authors.initials: A
authors.lastname: Magnuson
authors.affiliation: Örebro University Hospital, Örebro, Sweden.
authors.forename: Kenneth
authors.initials: K
authors.lastname: Villman
authors.affiliation: Örebro University Hospital, Örebro, Sweden.
authors.forename: Göran
authors.initials: G
authors.lastname: Liljegren
mesh_terms: D001943:Breast Neoplasms / Q000628:therapy*; D005260:Female; D006801:Humans; D008408:Mastectomy / Q000379:methods*; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control*