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Non-contrast axial chest CT images in lung window settings of a 40-year old male COVID-19 positive patient, obtained 8 days after symptom onset, in cranio-caudal sequence (a,b,c,d) showing multiple patchy peripheral predominantly posterior ground glass opacities with progression to consolidation in both lungs. There is also evidence of atoll sign in right lung (d) marked by black arrow and perilesional vessel enlargement in left lung (d) marked by black arrow with white border.
