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. 2003 Sep 30;89(7):1310–1313. doi: 10.1038/sj.bjc.6601290

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Copyright © 2003 Cancer Research UK

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Surgical histology and preoperative US core biopsy results. n=no. of patients; hist−=no malignant nodes on surgical histology; hist+=malignant nodes on surgical histology; stage 1=no positive nodes; stage 2=1 – 3 positive nodes; stage 3=4 or more positive nodes; US node+=nodes seen on US; US node−=no nodes seen on US; USB=US core biopsy performed; no USB=US core biopsy not carried out as nodes did not meet our criteria for biopsy: M=malignant; B=benign; SE=sampling error.