Benefits of Adjuvant Radiation in DCIS Persist Out to 15 Years
Adjuvant radiation therapy (RT) for good-risk ductal carcinoma in situ (DCIS) reduced long-term ipsilateral breast recurrence (IBR) by more than 50% compared with observation, results of a large intergroup study showed. RT, following surgery with or without tamoxifen, decreased 15-year IBR from 15.1% with observation to 7.1%. RT also reduced the odds of invasive local […]