radiologist – n. a doctor whose expertise is using some forms of radiation (such as X-rays) to diagnose and treat diseases

mammogram – n. a photograph of a woman's breasts made by X-rays

accuracy – n. the quality of having no errors or mistakes

detection – n. the act or process of discovering, finding, or noticing something

false positive – n. a test result which incorrectly indicates that a particular condition is present

false negative – n. a test result which incorrectly indicates that a particular condition is absent