Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In the interval since the prior study , a second right - sided chest tube has been placed . This appears to cross the midline and meet the left apex . There is a persistent small right apical pneumothorax . An opacity at the right lung base likely reflects a atelectasis . Subcutaneous emphysema again noted . The left lung appears grossly clear .
    OUTPUT:
    
Persistent right apical pneumothorax . A new right chest tube appears to cross the midline to the left side of the chest and could be withdrawn 8 cm for better positioning in the right lung apex .