Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , the residual right apical pneumothorax is not any larger , although slightly changed in configuration . A pigtail catheter is located in the lateral costal right lower hemithorax . There is no pleural effusion . Chronic left pleural thickening and bibasilar atelectasis is unchanged . There remains subcutaneous emphysema along the right lateral chest wall .
    OUTPUT:
    
No change in size of a small residual right apical pneumothorax .