Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to ___ chest radiograph , there is moderate improvement of severe subcutaneous emphysema . There is also mild improvement the bibasilar atelectasis . A varying small right anterior pneumothorax is seen on the lateral view radiograph . The heart size is normal and there are no pleural effusions seen . The tip of the right basal pleural drainage tube is visualized at the level of the sixth posterior right rib , which is 6 cm higher than its position since ___ .
    OUTPUT:
    
1 . Interval improvement in extent of subcutaneous emphysema and bibasilar atelectasis when compared to the initial ___ chest radiograph with some further improvement since ___ after water seal . 2 . Vary small anterior right pneumothorax . 3 . Tip of the right pleural drainage tube is seen at the level of the sixth posterior right rib , 6 cm higher than its position since ___ .