Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are obtained . Left - sided pacer device is again seen , with leads unchanged in position . There is persistent mild enlargement of the cardiac silhouette . The aorta is calcified . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Overall , there has been no significant interval change .
    OUTPUT:
    
No significant interval change .