Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A large right hydropneumothorax with a predominantly large fluid component results in mild leftward shift of mediastinal structures . There is associated right lung atelectasis . Heart size is mildly enlarged . The aorta is slightly tortuous . Pulmonary vasculature is not engorged . Patchy atelectasis is noted in the left lung base . No pneumothorax is identified . Moderate degenerative changes are noted in the thoracic spine with ossification of the anterior longitudinal ligament .
    OUTPUT:
    
Large right hydropneumothorax with predominant fluid component with associated right lung atelectasis . Patchy left basilar atelectasis also noted .