Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . A very subtle opacity in the right mid lung may represent a small focus of pneumonia . Otherwise lungs are clear . No signs of congestion or edema . No large effusion or pneumothorax . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Small focal opacity in the right mid lung is concerning for pneumonia .