Fig. 3.

41-year old male presenting with fever. (a) At present (day 3) A mixed ground-glass opacity and small consolidation lesion was showed, located in central region of lateral basal segment of right lower lobe. Air bronchogram, supply pulmonary artery dilation (a, arrow), and intralobular interstitium were seen. (b) day 6, image showed expanding lesion with involvement of the perihilar regions, and ground glass changed to be consolidation. (c) day 13 and (d) day 30, the lesion is absorbed. Ground-glass opacities with superimposed irregular linear opacities were seen in 30 day after the onset of initial symptoms.