Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left basal opacity is noted which most likely represents consolidation / pneumonia . The right lung is clear . 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:
    
Left lower lobe opacity concerning for pneumonia .