Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable AP view of the chest was provided . Layering bilateral pleural effusions likely account for the lower lung opacities seen . There is also likely a component of compressive atelectasis . These findings are better assessed on the outside hospital CT and appear grossly stable . The mid and upper lungs appear well aerated . The overall heart size appears grossly within normal limits . Bony structures are intact .
    OUTPUT:
    
Layering bilateral pleural effusions with lower lung atelectasis . Findings were more clearly assessed on the outside hospital CT performed on the same date .