RADIOLOGICAL SOCIETY OF NORTH AMERICA IMAGE: 56-year-old man presenting with severe COVID-19. Diagnosis of SARS-CoV-2 infection was based on a positive quantitative real-time RT-PCR test for SARS-CoV-2 nucleic acid performed on nasopharyngeal and lower respiratory tract swabs. The patient had been hospitalized in intensive care unit for 20 days when an MRI was performed due...