Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Subtle patchy retrocardiac airspace consolidation is noted compatible with left lower lobe pneumonia . No large effusion or pneumothorax is seen . The right lung appears largely clear . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Findings compatible with left lower lobe pneumonia .