Benefit of Radiation Boost in DCIS Validated


“A radiation boost to the tumor bed led to a small but statistically significant reduction in breast cancer recurrence after breast-conserving therapy for ductal carcinoma in situ (DCIS), a randomized study showed.

“Women who received the radiation boost had a 15-year freedom from ipsilateral recurrence of 91.6% compared with 88.0% for patients who had lumpectomy and adjuvant irradiation but not boost to the tumor bed. The additional protection afforded by the radiation boost encompassed both DCIS and invasive recurrence.”

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