Fig. 4.

A 35-year-old male who had fever for 2 days. A, CT scan examination was conducted on January 23, 2020. Chest CT scan examination showed no abnormality; B, after 3 days, the CT scan examination showed the mixed grinding glass conjunctivation in the mid-lobe of the right lung and lower lobe of the left lung; C, on day 11, a follow-up CT scan examination noted that the disease range and density increased and were in the progression phase; D, on day 18, a follow-up CT scan examination showed that the area and density of the lesions had decreased, fibrotic lesions appeared and were in the repair phase. However, the lesions remained not fully absorbed.