Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left mid to lower lung opacified is likely a combination of moderate right - sided pleural effusion with underlying atelectasis . The remainder of the lungs are clear . No left - sided pleural effusions . No pneumothorax . The visualized cardiomediastinal silhouette is normal .
    OUTPUT:
    
Moderate right - sided pleural effusion with underlying volume loss .