Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and hila are normal . There is a moderate right pleural effusion , similar compared to ___ , but new compared to ___ . A pacemaker device is seen with leads ending in the right atrium and right ventricle . No pneumothorax .
    OUTPUT:
    
Moderate right pleural effusion , unchanged from ___ .