Multifocal breast cancers are more prevalent in BRCA2 versus BRCA1 mutation carriers oleh Alan D McCrorie, Susannah Ashfield, Aislinn Begley, Colin Mcilmunn, Patrick J Morrison, Clinton Boyd, Bryony Eccles, Stephanie Greville‐Heygate, Ellen R Copson, Ramsey I Cutress, Diana M Eccles, Kienan I Savage, Stuart A McIntosh