Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . Probable coronary artery stents are noted . Slightly tortuous descending thoracic aorta is noted . No displaced fractures identified . Degenerative changes noted at the shoulders .
    OUTPUT:
    
No acute cardiopulmonary process .