Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a chest tube seen at the left lung apex , with kinking . There is interval decrease in the size of left - sided pneumothorax with an apical and medial component remaining . An opacity in the left perihilar region and left lung base likely represents atelectasis . There is extensive subcutaneous edema on the left tracking into the neck . Redemonstrated pneumomediastinum . The right lung is grossly clear with linear atelectasis at the lung base . Multiple left - sided rib fractures demonstrated , better seen on concurrent CT .
    OUTPUT:
    
Interval placement of a left apical chest tube with decreased size of left - sided pneumothorax . Extensive subcutaneous emphysema and pneumomediastinum , as described above .