There are low lung volumes with the development of reticulonodular opacities diffusely involving both lungs, with relative sparing of the right upper lung zone. There are areas of confluence in the left base with an associated left pleural effusion. The differential diagnosis for these findings is broad and includes possibilities such as pulmonary edema, infection, and aspiration.
Simple pleural effusion (Present) Aspiration (Uncertain) Edema (Uncertain)