Conclusion:
Preoperative axillary US excluded 96% of N2 and N3 invasive ductal metastases. The false-negative rate for N2 and N3 invasive lobular cancer was significantly higher than that for invasive ductal cancer, which suggests that axillary US cannot be used to exclude N2 and N3 metastases in these patients.
© RSNA, 2010 (Source: Continuous Publishing articles)
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