Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Vague opacity is noted projecting over the left lower lung likely representing an early left lower lobe pneumonia . Otherwise lungs are clear . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Vague opacity in the left lower lobe concerning for pneumonia .