Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . The cardiomediastinal silhouette , hilar contours and pleural surfaces appear normal . There is no pleural effusion or pneumothorax . There is no focal opacity to suggest pneumonia . Cervical vertebral fusion hardware in place .
    OUTPUT:
    
No acute cardiopulmonary abnormality .