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The Ratio of Positive to Excised Nodes Identifies High-risk Subsets and Reduces Inter-Institutional Differences in Locoregional Recurrence Risk Estimates in Breast Cancer Patients With 1–3 Positive Nodes: An Analysis of Prospective Data From British Columbia and the M. D. Anderson Cancer Center
Breast Cancer Outcomes Unit, British Columbia Cancer Agency–Vancouver Island Centre, British Columbia Cancer Agency, University of British Columbia, Victoria, BC, Canada
Department of Radiation Oncology, British Columbia Cancer Agency–Vancouver Island Centre, British Columbia Cancer Agency, University of British Columbia, Victoria, BC, Canada
Breast Cancer Outcomes Unit, British Columbia Cancer Agency–Vancouver Island Centre, British Columbia Cancer Agency, University of British Columbia, Victoria, BC, Canada
Department of Radiation Oncology, British Columbia Cancer Agency–Vancouver Island Centre, British Columbia Cancer Agency, University of British Columbia, Victoria, BC, Canada