Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are provided with patient positioned upright . The lungs appear clear . Linear densities in the left lateral low lung are stable from prior , likely representing areas of scarring . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings in the chest .