Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right pleural effusion is decreased in size status post thoracentesis with residual small amount of pleural fluid still obscuring the right hemidiaphragm . There is no definitive evidence of pneumothorax . Opacification at the right lung apex and volume loss in the right hemithorax is unchanged and represents stable postoperative appearance . The left lung is relatively clear . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . Decreased right pleural effusion status post thoracentesis with residual small effusion . 2 . No definitive evidence of pneumothorax . 3 . Otherwise , stable appearance of the chest .