Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear . Coronary artery calcification versus stent is noted . Cardiomediastinal silhouette is otherwise unremarkable . Osseous and soft tissue structures are unremarkable . Hypertrophic changes in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .