Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD device is noted with single lead terminating in the right ventricle . Moderate enlargement of the cardiac silhouette is unchanged . The mediastinal and hilar contours are similar . There is minimal pulmonary vascular congestion without overt pulmonary edema . Lungs are hyperinflated with emphysematous changes re - demonstrated , most pronounced in the upper lobes . Right middle lobe collapse is demonstrated along with patchy opacification in the right lower lobe concerning for infection . There is a moderate size right pleural effusion as well as a probable trace left pleural effusion . No pneumothorax is seen . Scarring is noted in the lung apices .
    OUTPUT:
    
1 . Right middle lobe collapse . Chest CT with contrast for further assessment of right middle lobe collapse is recommended . 2 . Patchy opacity in the right lower lobe concerning for pneumonia . 3 . Moderate size right and trace left bilateral pleural effusions . 4 . Emphysema .