Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Large right - sided pneumothorax is demonstrated with leftward shift of mediastinal structures compatible with tension . The left lung is hyperinflated with evidence of emphysema . No pleural effusion or pulmonary vascular congestion is seen . The heart size is normal . The mediastinal contours are unremarkable . Streaky linear opacities within the visualized left lung likely reflect bronchiectasis . There are multilevel degenerative changes in the thoracic spine .
    OUTPUT:
    
Large right - sided pneumothorax with mild leftward shift of mediastinal structures indicative of tension . Findings discussed with Dr . ___ by Dr . ___ ___ phone on ___ at 2 :31 p .m .