Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are within normal limits . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is present . Cervical spinal fusion hardware is incompletely imaged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .