Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and clear . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax . There is no free air under the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary process . No free air under the diaphragm .