Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is mildly enlarged but stable . A moderate left - sided pleural effusion is largely unchanged from the prior examination . There may be a trace right - sided pleural effusion , minimally decreased from the prior study . There is mild pulmonary vascular congestion without overt pulmonary edema . No focal consolidations are identified to suggest infection . There is no evidence of pneumothorax .
    OUTPUT:
    
Moderate left pleural effusion is stable or minimally decreased from the prior exam . Mild pulmonary vascular congestion without overt pulmonary edema . No focal consolidation .