Rates of re‐excision and conversion to mastectomy after breast‐conserving surgery with or without oncoplastic surgery: a nationwide population‐based study. - Heeg, E.; Jensen, M. B.; Hölmich, L. R.; Bodilsen, A.; Tollenaar, R. A. E. M.; Lænkholm, A. V.; Offersen, B. V.; Ejlertsen, B.; Mureau, M. A. M.; Christiansen, P. M. (British Journal of Surgery, 2020)