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Background Most patients with a positive sentinel lymph node (SN) have no further metastases in the axillary lymph nodes and may therefore not benefit from axillary lymph node dissection. In patients with melanoma, evaluation of the centripetal depth of tumor invasion in the SN, also known as the S classification of SN, and microanatomic localization of SN metastases were shown to predict non-SN involvement...
In many countries sentinel node biopsy (SNB) has become the standard of care in breast cancer based on a large number of observational studies but without results from prospective randomized trials. The goal of our study was to evaluate the oncological safety of the SNB in breast cancer in a multicenter, nonrandomized setting with comparable groups.Between 1996/05 and 2004/11, 2942 patients from 14...
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