Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval development of a large right - sided pneumothorax with near - complete collapse of the right lower lobe . No evidence of tension . The right pigtail catheter is superimposed over the mid right hemithorax . Increased subcutaneous emphysema in the right thoracic wall as well supraclavicular region and neck . The left lung is clear . The cardiomediastinal silhouette and hila are normal .
    OUTPUT:
    
1 . Significant interval increase in the small right apical pneumothorax , now a large pneumothorax with near - complete collapse of the right lower lobe . 2 . Increased right chest wall subcutaneous emphysema .