PMC7658492_01
PMC7658492_02
PMC7658492_03
PMC7658492_04
Axial images from a 2015 CT chest, shown here in both inspiration and expiration, demonstrating mosaic attenuation especially during the expiratory phase, a finding consistent with air-trapping and small airways disease.
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Computed tomography imaging of the chest from 2015 again showed hyperinflation with diffuse mosaic attenuation, worse during expiration (Fig. 1).
Coronal images from a 2018 CT chest on inspiration, demonstrating mosaic attenuation in a diffuse distribution.
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This was persistent on repeat imaging in 2018 (Fig. 2).