Medical radiation technologists who perform screening mammography have a special role in the healthcare of the public. MRTs must be highly competent practitioners excelling in their ability to produce quality images and to manage the patient with care and expertise in a highly technical environment. The Certificate in Breast Imaging – Screening (CBIS) program is designed to provide a means that will provide knowledge and clinical competence recognized by a credential that will be sought after by technologists and encouraged and advocated for by employers.