Wendy Elvis, 633rd Surgical Operations Squadron mammography lead technologist, performs a biopsy on a patient at Langley Air Force Base, Va., Nov. 14, 2014. During a biopsy, a small sample of breast tissue is removed for laboratory testing to evaluate a suspicious area, to determine if a cancer is present. (U.S. Air Force photo by Airman 1st Class Areca T. Wilson/Released)