1617 / 1983
Radiation Boost for Ductal Carcinoma In Situ (DCIS) After Whole Breast Radiation
Therapy (WBRT) Improves Local Control
Moran MS, et al, JAMA Oncol, 2017
Results
:
Median f/u time =9 years
•
Total n= 4131 patients
Median age 56 years
•
No boost = 1470 (35.6%)
•
Boost = 2661 (64.4%)
•
Margin+ (ink on tumor) =4.1% (n=168)
•
Grade II/III component: 68% (n=2817)
•
ER Status: Known 37% (n= 1538)
Moran et al, JAMA Oncol, 2017
Exceeded sample size
estimation by 39%