Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest . A right pigtail catheter is in place in the right pleural space . There is decrease in right hydropneumothorax . A small right pleural effusion persists . The left lung is clear . Sternotomy wires and mediastinal clips are seen . Additional opacities in the right lower lobe may represent pneumonia or atelectasis .
    OUTPUT:
    
Interval placement of right pigtail catheter in right pleural space with decrease in right - sided hydropneumothorax .