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a) A 66-year-old symptomatic man with COVID-19. Axial CT image shows subpleural fibrous stripes with ground-glass opacities in both lower lobes (red frames). b) A 53-year-old man with COVID-19. Axial CT image shows subpleural curvilinear lines, interlobular septal thickening, and fibrous stripes with ground-glass opacities in both lower lobes (red frames).
