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A Randomized Phase III Trial Comparing Axillary Lymph Node Dissection to Axillary Radiation in Breast Cancer Patients who have Positive Sentinel Lymph Node Disease After Neoadjuvant Chemotherapy
The purpose of this study is to examine whether removing some of the lymph nodes from the arm pit, but not removing them all, followed with radiation therapy (experimental) will be as good as having the majority of the lymph nodes from the arm pit removed during breast surgery followed with radiation (the usual treatment also called standard of care).
Primary Objective: To evaluate whether radiation to the undissected axilla and regional lymph nodes is not inferior to axillary lymph node dissection with radiation to the regional lymph nodes but not to the dissected axilla in terms of invasive breast cancer recurrence-free interval in patients with positive SLN(s) after completion of neoadjuvant chemotherapy.