Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided pigtail catheter is again seen . Little , if any residual right apical pneumothorax is seen at this time . Surgical suture chains are seen along the lateral aspect of the right lung fields . The left lung remains clear . The mediastinum and cardiac silhouettes remain unchanged and within normal limits . Osseous structures are grossly unremarkable .
    OUTPUT:
    
No residual right - sided pneumothorax visualized , with pigtail catheter remaining in place .