title: Breast-conserving therapy versus mastectomy.
authors.affiliation: Department of Research, Netherlands Comprehensive Cancer Organisation, Utrecht, the Netherlands; Department of Health Technology & Services Research, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, the Netherlands.
authors.forename: Marissa C
authors.initials: MC
authors.lastname: van Maaren
authors.affiliation: Department of Research, Netherlands Comprehensive Cancer Organisation, Utrecht, the Netherlands; Department of Health Technology & Services Research, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, the Netherlands.
authors.forename: Philip
authors.initials: P
authors.lastname: Poortmans
authors.affiliation: Department of Research, Netherlands Comprehensive Cancer Organisation, Utrecht, the Netherlands; Department of Health Technology & Services Research, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, the Netherlands.
authors.forename: Sabine
authors.initials: S
authors.lastname: Siesling
keywords: breast-conserving therapy; mastectomy; observational studies; real-world population