Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal , and hilar contours are normal . The lungs are clear and the pulmonary vascularity is normal . No pleural effusion or pneumothorax is present . No acute osseous abnormalities seen . No pneumomediastinum is identified . No free air is seen under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary process . No free air under the diaphragms .