The impact of preoperative breast biopsy on the risk of sentinel lymph node metastases: analysis of 2502 cases from the Austrian Sentinel Node Biopsy Study Group.

Br J Cancer · 2004 · PMC2410051 · PMID 15477859

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a nonsignificant trendno p-value reported

The previous analysis carried out by the Austrian Sentinel Node Biopsy Study Group revealed a nonsignificant trend of an increased risk of SLN metastasis after preoperative breast biopsy ( Pichler-Gebhard et al , 2002 ).

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