Fig. 5.

A 77-year-old mad had a fever for 1 day. CT scan examination was performed on January 23, 2020. Intrapulmonary lesions were observed, but no NCIP feature was found; B, on day 3, the follow-up CT scan examination still found no NCIP feature; C, on day 11, the follow-up CT scan examination showed lesions in the left upper lobe of the lung; D, on day 13, the scan showed that the bilateral upper lobes of the lung had opacity, and the density of the left upper lobe of the lung had increased and lesions; E, on day 18, the follow-up examination showed that the density of lung opacity slightly decreased, and the lesions begun to repair; F, on day 24, the follow-up CT scan examination showed that the lesion area decreased but was not completely absorbed.