Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker / AICD device is re - demonstrated with leads terminating in the right atrium and right ventricle . Heart size remains moderately enlarged . Mediastinal and hilar contours are unchanged . Mild interstitial pulmonary edema is worse compared to the previous exam . No large pleural effusion or pneumothorax is seen . No acute osseous abnormality is identified .
    OUTPUT:
    
Mild interstitial pulmonary edema , worse compared to the prior study .