Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , the left small pleural effusion has slightly increased in size , with associated mild increase in compressive atelectasis . Otherwise , no significant change . The right lung is clear . No pneumothorax . Cardiomediastinal silhouette and hila are unchanged .
    OUTPUT:
    
Slight interval increase in the left pleural effusion and adjacent atelectasis .