Fig. 1.

a-d Previous chest CT scan of the patient showing ground-glass opacity in both lungs on January 30, 2020, after symptom onset. There were multiple pieces of slightly higher density shadows scattered in the lungs, which were mostly ground glass-like changes, mainly distributed in the middle and outer zones. Inflammation affected 5.6% of the bilateral lungs. e-h Chest CT on February 22, 2020, showing absorption of bilateral ground-glass opacity after treatment. Less than 1% of the bilateral lungs was affected by inflammation.