Publication Online – June 2016 Print – September 2016
This collaborative guideline focuses on several elements of optimal margin negative margin width for ductal carcinoma in situ treated with breast-conserving surgery and whole breast irradiation. It defines positive margins and provides recommendations on negative margin width. The guideline then discusses the impact on negative margin width of treatment with excision alone or with endocrine therapy; patient and tumor features; and DCIS in presence of invasive breast cancer. The document also looks at the role of margin width in choice of technique, fractionation and boost dose for whole breast irradiation.
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Resources Radiation Therapy for Breast CancerSummary Recommendation TableSummary Presentation
Author SocietyAmerican Society for Radiation OncologyAmerican Society of Clinical OncologySociety of Surgical Oncology
EndorsementsAmerican Society of Breast Surgeons
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