Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . An ill - defined opacity is seen in the right upper lobe which appears unchanged from ___ , but new when compared to examination from ___ . The lungs are hyperexpanded and there is a right lower lobe lucency consistent with a large bulla , similar to prior . There are no pleural effusions or pneumothorax . Visualized osseous structures are unremarkable .
    OUTPUT:
    
Ill - defined opacity in the right upper lobe of indeterminate chronicity , but unchanged from ___ . Recommendation is to treat as an acute finding and to provide further clinical assessment with follow - up . Emphysema These findings were discussed with Dr . ___ by Dr . ___ via telephone on ___ at 11 :30 AM , time of discovery .