Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right apical chest tube is in stable position . There is extensive air tracking along subcutaneous fascial planes bilaterally , highlighting the pectoralis on the right side extending to involve the superior mediastinum . A small - to - moderate right pneumothorax is improved now only with a mild apical pneumothorax remaining . There is no left - sided pneumothorax . There is no large pleural effusion . There are no new focal parenchymal opacities concerning for pneumonia . The cardiomediastinal and hilar contours are stable with an AICD lead in stable position . Heart size is normal . There is mild tortuosity of thoracic aorta . Pulmonary vascularity is not increased .
    OUTPUT:
    
Improvement in a right - sided pneumothorax with only a minimal right apical pneumothorax remaining .