Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal and hilar contours are unremarkable . The lungs are clear . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities . No free air is seen under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary process . No free air under the diaphragms .