Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low . Mild right hemidiaphragmatic elevation is unchanged . Vague opacity in the left lower lung could in part reflect bronchovascular crowding , difficult to exclude a very early pneumonia . Upper lungs are well aerated . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm . No radiopaque foreign body . The trachea is midline .
    OUTPUT:
    
Vague opacity in the left lower lung likely reflect bronchovascular crowding , difficult to exclude an early pneumonia in the correct clinical setting .