Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . Mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vascularity is normal . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . No free air is noted under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No free air under the diaphragms .