Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate no focal consolidation or pleural effusion , or pneumothorax . Possible scarring at the left lung base from prior pneumonia is seen . S - shape scoliosis of the thoracic spine is again noted . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
No acute cardiopulmonary process .