A Study to Compare the Effectiveness of Two Types of Ultrasound Technologies in Women Who Have Had Breast Cancer

Inclusion Criteria: * Female * \>= 18 years of age at time of consent * Free of focal breast symptoms and with no suspicious breast physical exam findings * Previous unilateral NSM or SSM with implant (silicone, saline) or flap reconstruction performed at Thomas Jefferson University Hospital * Must be able to understand and provide signed and dated informed consent form. If a patient understands the informed consent but is unable to sign, a legally authorized representative (LAR) may sign * Willing to comply with all study procedures and be available for the duration of the study * Willing to honor any bills that may be incurred if the insurance company does not pay for the billed bilateral hand held ultrasound Exclusion Criteria: * History of breast cancer recurrence * Current focal breast symptoms since NSM or SSM with reconstruction * NSM or SSM with reconstruction was performed years prior to study enrollment * Bilateral NSM or SSM with reconstruction * Females who are pregnant