Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA , lateral , right lateral decubitus , and left lateral decubitus images of the chest demonstrate moderate right pleural effusion and small left pleural effusion which are seen layering in the decubitus images . Atelectasis and pleural effusions have improved since prior imaging . Cardiac silhouette is partially obscured by the pleural effusions , limiting evaluation of the cardiac size . Mediastinum is unchanged . There is no evidence of focal consolidation .
    OUTPUT:
    
Moderate right and small left pleural effusions , improved since prior imaging .