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Clinical case
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Imaging: confirmation of a single lesion without any suspicious
lymph node
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Biopsy: Infiltrating ductal carcinoma, ER: 90%, PR: 80%, HER2-
Ki67: 2%, grade I
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Lumpectomy + sentinel lymph node procedure: pT1cN0 in
complete resection
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Adjuvant radiotherapy followed by hormonotherapy for 5 years