Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . There has been no significant interval change . Moderate left - sided pleural effusion is again seen . Besides the left lung base , the lungs are clear of consolidation or pulmonary vascular congestion . Cardiac silhouette is enlarged but stable in configuration . Dual - lead pacing device again seen with right - sided catheter with a right - sided lead via left SVC and the right atrium and the right ventricular lead via a right SVC . Osseous and soft tissue structures are unchanged .
    OUTPUT:
    
Persistent left - sided pleural effusion . No change since prior .