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Iron Tracer Ultrasound-Guided Core Biopsy in Identifying Sentinel Lymph Nodes before Surgery in Patients with High Risk Ductal Breast Carcinoma in Situ or Hormone Receptor Positive Stage I-II Breast Cancer

Trial Status: administratively complete

This clinical trial studies the side effects of an iron tracer ultrasound-guided core biopsy and how well it works in identifying sentinel lymph nodes before surgery in patients with high risk ductal breast carcinoma in situ or hormone receptor positive stage I-II breast cancer. Diagnostic procedures, such as an iron tracer ultrasound-guided core biopsy, may be a less invasive way to check for breast cancer and find out how far the disease has spread.