Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left cardiac pacing device with its leads over the right atrium and ventricle . The cardiac silhouette is mildly enlarged with mild pulmonary edema . There is a small right pleural effusion . A right lower lobe opacity reflects atelectasis . Apical scarring and emphysema is noted .
    OUTPUT:
    
Cardiomegaly with mild pulmonary edema and small right pleural effusion .