Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . Screw is again seen at the right distal clavicular shaft . The lungs are clear without focal consolidation , effusion , or pneumothorax . Cardiomediastinal silhouette appears normal . Previously noted effusions are clear . Cardiomediastinal silhouette is normal . Bony structures remain intact .
    OUTPUT:
    
Improved bilateral pleural effusions compared with prior . No signs of pneumonia .