Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . Mild atherosclerosis calcification of the aorta is seen . The lungs are clear . No pleural effusion or pneumothorax is seen . Cervical spinal fusion hardware is re - demonstrated . Mild loss of height of the upper thoracic vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .