Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Emphysema is again noted . There is subtle reticulonodular opacity in the left lower lung which could represent an early pneumonia . No large effusion or pneumothorax . Cardiomediastinal silhouette is stable . Chronic left rib deformities are again noted . No free air below the right hemidiaphragm .
    OUTPUT:
    
Subtle reticulonodular opacities in the left lower lung could represent an early pneumonia . Underlying emphysema again noted .