Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest . There is a small to moderate left - sided pleural effusion . Mildly increased right basilar opacity raise the possibility of a small right effusion as well . Cardiac silhouette is enlarged but likely accentuated due to low lung volumes . The lungs are clear of consolidation . Left chest wall single lead pacing device is noted . No acute osseous abnormalities detected .
    OUTPUT:
    
Small to moderate left and probable small right pleural effusion .