Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lung volumes are low , with resultant mild crowding of the bronchovascular markings . No consolidation , pleural effusion or pneumothorax is seen . There is no pulmonary edema . No acute osseous abnormality is detected . Mild degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary pathology .