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Table 1

From: Ultrasound-guided axillary node core biopsy in the staging of newly diagnosed breast cancer

Number of axillas examined 139
Number of axillas where nodes identified on ultrasound 134 (96%)
Number of axillas where CB performed 121 (87%)
CB inadequate rate (%) 4.1
Lymph node-positive (surgery) (%) 52.5
CB sensitivity, all positive nodes (%) 53.4
CB sensitivity, macrometastases (%) 62.3
CB sensitivity, micrometastases (%) 8.3