Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . New left pigtail catheter is seen projecting over the lung apex . No definite pneumothorax seen on the current exam . Minimal left chest wall subcutaneous emphysema is seen . Otherwise there has been no change .
    OUTPUT:
    
Interval placement of left pigtail catheter without definite residual pneumothorax .