NIH Websites Are Changing Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.
bilateral prophylactic mastectomy
(by-LA-teh-rul PROH-fih-LAK-tik ma-STEK-toh-mee)
Surgery to remove both breasts in order to reduce the risk of developing breast cancer.