Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Layering right pleural effusion is unchanged . Previous moderate to large left pleural fusion is significantly decreased in size , now small . There is no pneumothorax . Previous rightward shift of the mediastinum is resolved . The cardiomediastinal silhouette is otherwise stable .
    OUTPUT:
    
Significant decrease in previous large left pleural effusion , now small . Unchanged moderate right pleural effusion . This preliminary report was reviewed with Dr . ___ , ___ radiologist .