Publication Print – March 2014
This collaborative guideline considers several questions related to defining margins for patients who have reached breast-conserving surgery and whole breast irradiation. It delineates when margins are positive and the necessary width to consider the margin negative. It also addresses the interaction between margin width and systemic therapy; biologic subtype; radiation therapy technique, fractionation and boost; invasive lobular carcinoma or lobular carcinoma in situ; and young age.
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Resources Breast Cancer Refresher - 2017Timing of RT and Chemo after BCS for Node-Positive Breast Cancer
Author SocietyAmerican Society for Radiation OncologySociety of Surgical Oncology
EndorsementsAmerican Society of Breast SurgeonsAmerican Society of Clinical Oncology
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