Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph obtained . Hardware is noted again in the mid-to - lower cervical spine . Lungs are clear without signs of pneumonia or CHF . No effusion or pneumothorax is seen . The cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
No acute findings in the chest .