Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single lead right - sided pacer device is similar in position . Cardiac and mediastinal silhouettes are stable with stable enlargement of the cardiac silhouette . No pleural effusion or pneumothorax is seen . No definite focal consolidation is seen to suggest pneumonia .
    OUTPUT:
    
No significant interval change from ___ or ___ .