Interval increase in patchy as well as coarse reticular markings throughout both lungs, particularly in the mid to lower lung zones bilaterally. More focal patchy opacities are seen particularly in the lungs' periphery bilaterally as well as in the retrocardiac region. Given the appearance of the opacities, air space disease due to infection is most likely.
Pneumonia (Present) Air space opacity–multifocal (Present)