Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left cardiac pacemaker is seen with leads ending in the right atrium and right ventricle . No consolidation , pleural effusion , or pulmonary edema is seen , and the cardiac silhouette is mildly enlarged compared to previous chest radiograph .
    OUTPUT:
    
No acute cardiopulmonary disease including pneumonia . Interval increase in heart size .