Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no pleural effusion , pneumothorax or focal airspace consolidation . The cardiomediastinal silhouette is normal . A small amount of atherosclerosis is seen within the aortic arch . Degenerative changes of the thoracolumbar spine and orthopedic hardware in the lower spine are noted .
    OUTPUT:
    
No acute intrathoracic process .