Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided chest tube is in place with the tip in the right upper hemithorax . However , there is a large pneumothorax with significant collapse of the underlying right lung . The patient has chronic leftward mediastinal shift secondary to volume loss from left upper lobectomy , however , there appears to be slightly increased leftward shift on the current examination as compared to the preoperative , raising concern for tension . Subcutaneous emphysema is seen along the right chest wall . There is increased opacity within the left lung base , likely secondary to layering pleural effusion and some atelectasis . Median sternotomy wires are intact .
    OUTPUT:
    
New large right pneumothorax with significant right lung collapse and worsening leftward mediastinal shift . Dr . ___ communicated the above urgent results to Dr . ___ ___ at 11 :20 a .m . on ___ , immediately after discovery .