Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed in comparison to prior study . Severe scoliosis and a spinal ___ rod is unchanged . The lungs are clear . Heart size is normal and there is no evidence of vascular congestion , pleural effusion or pneumothorax . The soft tissues are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .