Figure and Table Legends
Figure 1. (A - E.) Unenhanced chest CT showing large opaque and ground glass patchy shadows in the lower lobe of the left lung.
Figure 2. Shown are the chest radiographs on day 2 and 21 after the onset of illness. The trachea was intubated and mechanical ventilation instituted in the period between the acquisition of the two images. (A) Ground glass density, (B) linear grid and patchy shadows were diffused in both lungs, no obvious pleural effusion was observed.
Table 1 . Clinical laboratory results of the patient.