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Source: Chinese Academy of Sciences From: news-medical.net Sentinel lymph node biopsy (SLNB) is critical to breast cancer staging, yet current assessment methods remain heavily dependent on pathology expertise and time-consuming tissue processing. Frozen section analysis can support intraoperative decisions, but it consumes tissue, requires substantial manpower, and does not always deliver ideal diagnostic performance. Conventional paraffin-section pathology is accurate, but …