Performs diagnostic radiological imaging, in more than a single Modality, that may include, CT (computerized tomography), MRI (magnetic resonance imaging), general radiology, Nuclear Medicine, Diagnostic Sonography, or Mammography depending on location of department. Licenses/Certifications The multi-modality role includes any combination of the following: Radiologic (XR), Computerized Tomography (CT), Magnetic Resonance Imaging (MRI), Interventional Radiology (IR), Nuclear Medicine (NM), Mammography, or Ultrasound (US).