Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lung volumes are low . There is increased opacity the left lower lobe , which may be due to atelectasis or focal consolidation . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Left lower lobe opacity in the setting of low lung volumes . Though atelectasis is possible , left lower lobe pneumonia is suspected . Repeat radiograph after treatment is recommended .