Robotic-Assisted da Vinci System Prophylactic Nipple-Sparing Mastectomy

Inclusion Criteria: * Female between ages 18-80. * BMI ≤ 29. * Candidate for an NSM procedure. * At increased risk for breast cancer and is seeking prophylactic NSM surgery or subject has breast cancer in one breast and is seeking prophylactic NSM on contralateral side. * Breast ptosis ≤ Grade 2. * Cup size ≤ C. * No presence of occult cancer on the side for which she is seeking prophylactic NSM surgery as confirmed by physical exam and by preoperative imaging per institution's guidelines. Exclusion Criteria: * Current or prior history of ipsilateral in-situ or invasive breast carcinoma on the breast for which she is seeking prophylactic NSM surgery. * Previous breast surgery of the ipsilateral breast (excluding needle or core biopsies and excisional biopsies performed more than 1 year prior). * Current history of smoking or has smoked within 1 year of screening. * Skin conditions * Uncontrolled diabetes mellitus. * Previous chemotherapy or radiation * High risk for anesthesia or significant medical comorbidities * Contraindicated for general anesthesia or surgery. * Known bleeding or clotting disorder. * Pregnant or suspected to be pregnant or is lactating.