Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is now a small to moderate left pleural effusion . There is more consolidation in the left lower lung which is probably due to atelectasis . There is no pneumothorax . The right lung is clear . The cardiomediastinal silhouette is stable . Mild dextroscoliosis is unchanged .
    OUTPUT:
    
Recurrent small to moderate left pleural effusion with probable left basilar atelectasis