Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right pleural pigtail catheter . There is a persistent large right pneumothorax . Subcutaneous emphysema is also noted . The left lung is clear with suture material projecting over the apex . The cardiac silhouette is unchanged . No pleural effusion is identified .
    OUTPUT:
    
Interval placement of a right pleural pigtail catheter with a persistent large right pneumothorax .