Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval enlargement of a loculated right pleural effusion in comparison to the ___ examination . The heart is mildly enlarged . Multiple sternal wires are again demonstrated . A right PICC tip oral pacemaker projects leads into the right atrium and ventricle , unchanged configuration from prior examination . A cardiac valve prosthesis is unchanged and orientation .
    OUTPUT:
    
Interval enlargement of a loculated right pleural effusion .