Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal , and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . No acute osseous abnormality is detected . There is no free air under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary process . No free air under the diaphragms .