Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a left pectoral pacemaker with leads seen terminating within the right atrium and right ventricle . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . Minimal left lower lobe atelectasis is noted . The heart size is top normal , unchanged from prior examination . Mediastinal contours are normal . No bony abnormality is detected .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .