Development of patchy parenchymal airspace opacities suggestive of aspiration or edema, and less likely atypical infection, given the short time interval. Stable left basilar pleural scarring. Mild bibasilar opacities, more pronounced on the left, likely due to compressive atelectasis.
Pleural scarring (Present) Aspiration (Uncertain) Atelectasis (Present) Edema (Uncertain)