Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . No infiltrate , effusion , or pneumothorax is identified . The cardiomediastinal and hilar contours are within normal limits with mild tortuosity of the thoracic aorta . No acute osseous abnormalities detected . There is no free air beneath the diaphragm .
    OUTPUT:
    
No acute pulmonary process .