Fig. 1

Chest computed tomography (CT) on day 1, day 17, day 26 and day 33 and followed up after 5 months and 9 months. Three representative slices of the upper, middle and lower lobe were chosen
Chest computed tomography (CT) on day 1, day 17, day 26 and day 33 and followed up after 5 months and 9 months. Three representative slices of the upper, middle and lower lobe were chosen