Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen , and no focal consolidation is demonstrated . There are no acute osseous abnormalities . No free air is demonstrated beneath the diaphragm .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No subdiaphragmatic free air .