Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear without consolidations or suspicious pulmonary nodules . No pleural abnormalities . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal without any evidence of lymphadenopathy . Mild degenerative changes of the thoracic spine .
    OUTPUT:
    
No radiographic evidence of significant cardiopulmonary abnormalities .