VisR Ultrasound for Noninvasively Interrogating Stromal Collagen Organization in Women as a Breast Cancer Biomarker: Evaluation of Surface Compression in Control Subjects

Inclusion Criteria

• * Subjects are aged 30-90 years. * Subjects have intact mammary tissue with no known pathologies. * Informed consent obtained and signed

Exclusion Criteria

• * Inability to provide informed consent * Inability to communicate in English * Inability to remain motionless for 15 minutes * History of or current breast abnormalities * Patients who are pregnant (self-reported) * Patients who are lactating * Patients with a history of mastectomy * Patients with breast implants * Patients who have pacemakers or implanted cardioverters