Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pigtail catheter seen in place in the right pleural cavity with stable right - sided pleural effusion and lower lobe atelectasis . Right - sided Port - A - Cath appropriately positioned and unchanged in position with tip near the cavoatrial junction . The left lung is grossly clear . Cardiomediastinal silhouette within normal limits . No pneumothorax is seen .
    OUTPUT:
    
Right - sided pleural effusion and lower lobe atelectasis , essentially unchanged .