UR Medicine / Imaging / Specialties / Exams Exams We provide many services throughout our locations to better serve the needs of our patients. Our services include: Computed Tomography (CT/CAT) Scan Gastrointestinal (GI) Procedure Interventional Radiology (IR) Procedure Magnetic Resonance (MR/MRI) Imaging Nuclear Medicine Exam Positron Emission Tomography Scan with CT (PET/CT) Positron Emission Tomography Scan with MRI (PET/MRI) Ultrasound (US) Exam