Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to ___ portable chest radiograph , there is interval mild improvement of pneumomediastinum , deep cervical emphysema , and subcutaneous emphysema . The right medial pneumothorax is again seen and unchanged from most recent study . No pneumothorax seen in the left lung . Hazy ill - defined linear right lower lobe opacity is consistent with right lower lung contusion status post right posterior tenth rib fracture . The cardiac and mediastinal contours are unchanged . There is no pleural effusion . The right apical chest tube is in stable position .
    OUTPUT:
    
1 . Interval mild improvement of pneumomediastinum , deep cervical emphysema , and bilateral subcutaneous emphysema . 2 . Persistent small right medial pneumothorax unchanged from ___ chest radiograph . 3 . Right lower lobe contusion is unchanged from prior study .