Presence of a right-sided pigtail catheter in the right hemithorax. Increasing subcutaneous emphysema is noted along the right lateral chest wall and bilaterally in the lower neck. Subcutaneous emphysema is now also evident in the left chest wall, which was not seen on previous films. The previously noted small right-sided pneumothorax has resolved. There is no evidence of pneumomediastinum, and the lungs appear clear.
Pneumomediastinum (Absent) Pleural tube (Present) Simple pneumothorax (Absent) Subcutaneous Emphysema (Present)