Size of Sentinel Node Tumor Deposits and Extent of Axillary Lymph Node Involvement: Which Breast Cancer Patients May Benefit From Less Aggressive Axillary Dissections?
2007
Background
In most breast cancer series, nearly 30% to 40% of all patients are sentinel node positive; however, in a large proportion of these, the disease is limited to three or fewer positive nodes. On the basis of these observations, the object of this study is to identify a subset of patients who might benefit from a less aggressive axillary dissection, without compromising staging or local disease control.
We reviewed known clinicopathologic variables associated with a higher risk for axillary metastasis in 467 patients who underwent sentinel node mapping at our institution. We then compared the incidence of these variables in patients with N1a versus N2–3 stage disease.
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