FDAnews
www.fdanews.com/articles/114404-radiation-benefits-women-with-early-breast-cancer

Radiation Benefits Women With Early Breast Cancer

February 6, 2009
A review of published studies confirms that the addition of radiation therapy to breast-conserving surgery in the treatment of a noninvasive early form of breast cancer called ductal carcinoma in situ (DCIS) substantially decreases the risk of recurrence of either DCIS or invasive breast cancer in the affected breast.
China Daily