Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest demonstrate the lungs are well expanded and clear . The cardiomediastinal silhouette is stable . There is no evidence of pulmonary edema , pleural effusion , pneumothorax or focal pneumonia . Scoliosis is again noted .
    OUTPUT:
    
No acute cardiopulmonary process .