Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Small right apical pneumothorax has improved . Mild right lung atelectasis and pleural effusion are slightly improved . Subcutaneous emphysema over the right lateral chest wall is slightly improved . Minimal atelectasis at the left base appears similar to prior . No focal consolidation . Right lung surgical clips are stable from prior .
    OUTPUT:
    
1 . Small right apical pneumothorax has improved . 2 . Mild right lung atelectasis and pleural effusion are slightly improved . Subcutaneous emphysema over the right lateral chest wall is slightly improved .