Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable , with a mildly tortuous thoracic aorta . The lungs are well expanded and clear , without consolidation , or pulmonary edema . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary pathology .