Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is severe bullous emphysema , right worse than left . There is no pneumothorax . Moderate right pleural effusion has worsened from prior study . There are chronic interstitial abnormalities in the left lung . There is no definitive airspace consolidation . The hilar and cardiomediastinal contours are unchanged . Pulmonary vascularity is normal .
    OUTPUT:
    
Moderate right pleural effusion has worsened from prior studies . Severe bullous emphysema without evidence of residual pneumothorax .