Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pectoral pacemaker is noted with a single intact lead . Mild pulmonary edema is improved from chest x-ray ___ . There is a small right pleural effusion . There is no lobar consolidation or pneumothorax . The heart is mildly enlarged . The mediastinal borders and hilar structures are normal .
    OUTPUT:
    
Mild pulmonary edema and small right pleural effusion which is improved as compared to chest x-ray ___ .