Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent left pleural scarring and small left pleural effusion , unchanged from prior . No new focal consolidation . There is slight cardiomegaly unchanged from prior . The mediastinum is normal . The hila are normal . No pneumothorax . No fractures .
    OUTPUT:
    
Stable left pleural scarring and small left pleural effusion .