Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is no significant interval change . Scarring at the right lung base is unchanged . There is no focal consolidation effusion or pneumothorax . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Stable scarring at the right lung base . No acute findings .