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Preoperative axillary ultrasound in breast cancer: safely avoiding frozen section of sentinel lymph nodes in breast-conserving surgery.
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Abstract
The American College of Surgeons Oncology Group Z0011 trial results provided convincing evidence that completion axillary lymph node dissection (CALND) was unnecessary in selected patients with 1 to 2 positive sentinel lymph nodes (SLNs). We hypothesized that preoperative axillary ultrasound (AUS) with fine-needle aspiration is sufficiently sensitive to detect worrisome macrometastasis to preclude the need for frozen-section pathology of SLNs.