Goodwin A, Parker S, Ghersi D et al.
Westmead Hospital, Westmead, NSW, Australia.
Cochrane Database Syst Rev 2009;4:CD000563.
Editor’s note: The aim of this Cochrane review was to summarize data from randomized controlled trials examining the addition of radiotherapy to breast-conserving surgery (BCS) for the treatment of ductal carcinoma
in situ (DCIS) in order to determine the benefit–harm ratio. Four large, multicenter, randomized controlled trials were included in the review: