Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is right lateral pleural thickening , similar compared to prior . New blunting of the left lateral and posterior costophrenic angles are compatible with small effusion . The lungs are otherwise clear . The cardiomediastinal silhouette is stable . Right chest wall dual lead pacing device is again noted . Median sternotomy wires are again noted .
    OUTPUT:
    
New small left pleural effusion . Otherwise , no change .