Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right - sided pigtail catheter which projects over the right mid lung . No definite pneumothorax seen on the current exam . The lungs are hyperinflated with biapical scarring and superior retraction of the hila . The mediastinum is now in appropriate position . No acute osseous abnormalities .
    OUTPUT:
    
Interval pigtail catheter in the right pleural space with previously seen right pneumothorax not visualized on the current film .