Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right chest tube enters via the lateral fourth intercostal space and terminates near the right lung apex . Otherwise , there has been no significant change from ___ min prior . Pneumomediastinum and subcutaneous emphysema persists . Widened appearance of the superior mediastinum is similar . No definite pneumothorax is visualized .
    OUTPUT:
    
1 . Right chest tube terminates in the right lung apex . No definite pneumothorax is visualized . 2 . Otherwise , no significant change from ___ min prior .