ESTRO Multidisciplinary Management of Breast Cancer 2017

To treat or not to treat DCIS ? Take Home Messages

• Standard treatment for DCIS is still local excision followed by whole breast RT, however:

• Subgroups may be identified in whom RT can safely be omitted, based Nomogram and DCIS Score – but these need to be validated !!

• Currently 2 studies aimed at investigating whether any treatment can be omitted in screen-detected/ asymptomatic – extremely low risk DCIS LORIS study: recruiting LORD study: starts this Autumn