ESTRO Multidisciplinary Management of Breast Cancer 2017

What happens if you accept focally involved margins ?

Results in The Netherlands: Margin involvement in 2009:

Van der Heiden et al, Br C Res Tr 2012

5 yr IBTR in NL (2003-2006) : only 2.38% (2.18-2.60%) !! N = 22.450

Van der Heiden et al, Ann Oncol 2015