ESTRO Multidisciplinary Management of Breast Cancer 2017

Methods

• Use of 2 important datasets

1. EORTC boost no boost trial: N = 1282, all margins with < 10 mm, no EDCIS, including LR rates & margin widths

2. MARGINS database: Database of 60 patients, with pre-operative MRI matched with pathology of wide local excision specimens Described the relation between residual volume of disease and margin width.