MARECA study research collaborative 2022, ' The MARECA (national study of management of breast cancer locoregional recurrence and oncological outcomes) study: National practice questionnaire of United Kingdom multi-disciplinary decision making ', European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology . https://doi.org/10.1016/j.ejso.2022.03.017