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