About 2,550 men will be diagnosed with breast cancer in 2018, and about 480 men will die from the disease that same year (American Cancer Society [ACS], 2018). Although men account for less than 1% of breast cancer cases in the United States, they are more likely than women to be diagnosed with advanced stage breast cancer (ACS, 2017b). Breast cancer that is found early, and that is small and has not yet spread, is typically easier to treat successfully than breast cancer discovered at a later stage (ACS, 2017a).