Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is mildly enlarged but unchanged . The mediastinal and hilar contours are stable . There are small bilateral pleural effusions , left worse than right , slightly improved from prior examinations . There are no focal consolidations concerning for pneumonia . There is no pneumothorax . Surgical clips are seen within the right upper abdomen .
    OUTPUT:
    
Improved small bilateral pleural effusions , left worse than right . No evidence of pneumonia .