Annals of surgical oncology
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In breast cancer patients, sentinel lymph nodes (SLN) can be identified in the breast clinic using contrast-enhanced ultrasound (CEUS). This study aimed to characterize and compare the extent of axillary metastases in patients with either a benign or malignant SLN core biopsy at the end of surgical treatment. ⋯ Patients with a normal grey-scale ultrasound and benign SLN core biopsy are unlikely to have extensive axillary disease and may be ideally suited for axillary conservation. The decision to omit axillary LN dissection for patients with a malignant SLN core biopsy must be carefully considered because many will have undetected high-volume metastases.