Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall pacer with leads end in the right atrium and right ventricle , unchanged . Moderate to severe cardiomegaly is also unchanged . Median sternotomy wires are intact . There is no focal lung consolidation . There is no pleural effusion or pneumothorax . There is mild vascular congestion without frank pulmonary edema .
    OUTPUT:
    
No significant interval change in the appearance of the chest with vascular congestion but no frank pulmonary edema .