Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dense consolidation containing air bronchograms is noted within the left lower lobe consistent with pneumonia . Elsewhere , lungs are clear . There may be a tiny left pleural effusion . No pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Left lower lobe pneumonia .