Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Minimal opacity in the inferior lingula could represent pneumonia . The right lung is clear . No effusion or pneumothorax . No rib fractures are seen . The cardiomediastinal silhouette appears normal . No free air below the right hemidiaphragm .
    OUTPUT:
    
Subtle opacity in the region of the inferior lingula could represent a very early pneumonia .