A chest radiograph taken on hospital day 3 (illness day 7) was reported as showing no evidence of infiltrates or abnormalities (Figure 3).

据报道，在住院第 3 天（发病第 7 天）拍摄的胸片显示没有浸润或异常的证据（图 3）。

However, a second chest radiograph from the night of hospital day 5 (illness day 9) showed evidence of pneumonia in the lower lobe of the left lung (Figure 4).

然而，住院第 5 天（发病第 9 天）晚上的第二次胸片显示左肺下叶有肺炎迹象（图 4）。

On hospital day 6 (illness day 10), a fourth chest radiograph showed basilar streaky opacities in both lungs, a finding consistent with atypical pneumonia (Figure 5), and rales were noted in both lungs on auscultation.

住院第 6 天（发病第 10 天）， 第四次胸片显示双肺底部条纹状混浊， 符合非典型肺炎的表现（图 5）， 听诊时双肺均有罗音。