Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs from ___ , there is new large right pneumothorax with air - fluid level in the posterior right pleural space , consistent with hydropneumothorax . The size of the right pleural effusion , as well as right middle lobe collapse , have improved in the interval . Widening of the mediastinum has decreased and reflects expected postsurgical changes . No focal consolidation . No pneumothorax . Mild cardiomegaly is stable .
    OUTPUT:
    
1 . New large right hydropneumothorax . Overall , the size of the right pleural effusion , as well as right middle lobe atelectasis , have decreased . 2 . Decreased widening of the mediastinum , reflecting expected postsurgical changes . 3 . Stable mild cardiomegaly .