Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior study , no change in the positioning of the left - sided dual lead pacer , with leads projecting to the right atrium and right ventricle . The cardiac silhouette is now mildly enlarged , due to cardiomegaly and / or pericardial effusion . No focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
1 . No focal consolidation concerning for pneumonia . 2 . The cardiac silhouette is now mildly enlarged , due to cardiomegaly and / or pericardial effusion .