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a) A 48-year-old man with COVID-19 presented with cough, fever, myalgia, and malaise for 3 days. Axial chest CT image shows multifocal, peripheral-peribronchovascular ground-glass opacities (red frames). b) The magnified image of the right lower lobe shows ground-glass opacity superimposed with interlobular septal thickening and prominent intralobular lines (red arrowheads), which indicates a crazy-paving pattern.
