Adjuvant Radiation Therapy for Ductal Carcinoma In Situ

This is a clinical practice guideline practice guideline for adult patients with ductal carcinoma in situ (DCIS) who have had breast-conserving surgery or a mastectomy. The guideline considers what the optimal radiotherapy treatment after surgery would be for patients with DCIS, as well as how a close radial margin of excision should be handled following breast conserving surgery. Additional areas of interest include: toxicity and side effects of radiotherapy.