Surgical Resection With or Without Axillary Lymph Node Dissection in Treating Women With Node-Negative Breast Cancer and Sentinel Lymph Node Micrometastases [clinicaltrials:NCT00072293]

Surgical Resection With or Without Axillary Lymph Node Dissection in Treating Women With Node-Negative Breast Cancer and Sentinel Lymph Node Micrometastases [clinicaltrials:NCT00072293]