PMC7383165_01
Chest computed tomography images of a 48-year-old man with confirmed COVID-19 pneumonia. Images obtained at the levels of the upper (A) and lower (B) lobes 2 days after symptom onset show bilateral round and oval ground-glass opacities. Enhanced images (C and D) obtained at the same levels as A and B 3 days later show multiple reversed halo signs (arrows) in both lungs.
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A chest computed tomography obtained 2 days after symptom onset showed bilateral ground-glass opacities (Fig. 1A and B). A new CT performed 3 days later demonstrated multiple RHS (Fig. 1C and D).