Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ACDF hardware is intact without evidence of hardware malfunction . The lungs are clear without evidence of focal consolidations concerning for pneumonia . The cardiomediastinal contours are normal . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
No acute intrathoracic abnormalities identified .