Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were compared to previous exam from ___ . Lungs are clear . There is no effusion or pneumothorax . Cardiomediastinal silhouette is normal . Osseous and soft tissue structures are notable for hypertrophic changes in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .