Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate stable left pectoral cardiac pacer with leads terminating in the right atrium and right ventricle . There has been interval enlargement of the cardiac silhouette , although likely accentuated by AP technique . There has been development of moderate left and small right pleural effusions with compressive atelectasis in the left base . There is mild perihilar vascular congestion .
    OUTPUT:
    
1 . Interval enlargement of the cardiac silhouette , in combination with perihilar vascular congestion and new effusions , are suggestive of mild heart failure . 2 . Moderate left and small right pleural effusions with compressive atelectasis in the left base .