Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The AP view is lordotic . The heart is normal in size . The mediastinal and hilar contours appear within normal limits . The lungs appear clear . There are no pleural effusions or pneumothorax . Bony structures are unremarkable aside from prior cervical fusion surgery .
    OUTPUT:
    
No evidence of acute disease . Status post incompletely characterized cervical fusion .