EBRO 2017

Radiation Boost for Ductal Carcinoma In Situ (DCIS) After Whole Breast Radiation Therapy (WBRT) Improves Local Control

Methods and patients:

Inclusion Criteria: Centers with existing DCIS databases

Pure DCIS (no micro-invasion) Treated with WBRT (no APBI) Minimum 5 years follow-up

LR relative to clinical pathologic parameters No brachytherapy boost (photon/electron only)

Parameters collected: Grade, Size,Age RT boost no boost

Margin status Comedo necrosis ER status & Tamoxifen

Moran et al, JAMA Oncol, 2017