Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are within normal limits . The trachea is central . The cardiomediastinal contour is normal . The heart is not enlarged . No blunting of the costophrenic angles to suggest a pleural effusion . No pneumothorax or consolidation seen . The visualized bony structures are unremarkable in appearance .
    OUTPUT:
    
No acute cardiopulmonary process seen .