Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . Subtle opacity in the right lower lobe , likely represents post - biopsy changes . Known right lower lobe consolidation is not visualized in the current study . Again seen is heterogeneous opacification of the retrocardiac left lower lobe , slightly improved since the prior study , suggestive of improving edema . A stable small right pleural effusion and mild increase in a small left pleural effusion is noted . No new consolidation or pneumothorax is detected . Dense calcifications of the pericardium are noted . Left chest wall AICD device is seen with leads in the expected position of the right atrium and right ventricle .
    OUTPUT:
    
1 . Improving left lower lobe changes , likely represent improving edema . 2 . Hazy opacity in the right lower lobe , likely represents post - biopsy changes . 3 . Emphysema and bilateral small pleural effusions .