Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right pleural effusion has reaccumulated . There is likely also small left pleural effusion . A presumed pericardial drain has now been removed . The cardiomediastinal contour is unchanged compared to the prior study . Persistent bilateral lower lobe atelectasis . No pneumothorax seen . Unchanged nodular opacity in the left mid lung . Small bowel loops in the left upper quadrant are less distended than on prior studies .
    OUTPUT:
    
Region aeration of the right pleural effusion . Small left pleural effusion .