Fig. 10From: Frequency of atypical pulmonary manifestations of COVID-19 patients on chest CT-scan: a cross-sectional studyReverse halo sign in a 57-year-old man with COVID-19. Axial non-enhanced chest CT scan in the lung window shows an area of ground glass opacity surrounded by a ring-shaped consolidation (red frame) in RLL associated with bilateral air space opacitiesBack to article page