Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph again demonstrates a left chest wall pacer with leads overlying the right atrium and ventricle . Severe cardiomegaly is unchanged . Mild pulmonary edema is resolved . There is no focal consolidation or pneumothorax . Right base opacity is consistent with a small pleural effusion . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Resolution of mild pulmonary edema . Right base opacity consistent with a small pleural effusion .