Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is airspace opacity in the left lower lobe which is concerning for an early pneumonia . Right lung is clear . No large effusion or pneumothorax . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Left lower lobe opacity concerning for an early pneumonia .