Biopsy-site-marker in Breast Cancer

Inclusion Criteria: * Written informed consent (ICF) signed and dated by the patient prior to the performance of any study-specific procedures, sampling, or analyses. * Female patients at \> 18 years of age at the time of signature of the ICF. * Pathologically verified invasive breast cancer cases referred to OU for surgery. Exclusion Criteria: * Patients who had a biopsy at OUBI OKC. * Patient who will undergo neoadjuvant therapy * Any evidence of severe or uncontrolled systemic diseases, including uncontrolled hypertension, uncontrolled diabetes mellitus, active bleeding diatheses, or active viral infection, including hepatitis B, hepatitis C, and human immunodeficiency virus. Screening for chronic conditions is not required. * Currently pregnant or breastfeeding * Patients not eligible for surgery * Prisoners