Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left pleural effusion is not significantly changed compared to ___ . Atelectatic changes of left lung base unchanged . Stable position of chest tube in left lung base . No new consolidations or pneumothorax bilaterally . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
No significant change in size of left pleural effusion compared to ___ .