Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal silhouette is within normal limits . Coronary artery calcifications and / or stents are noted . Bilateral calcified hilar lymph nodes are again noted . No acute osseous abnormalities . No abnormal air - fluid levels identified over the mediastinum .
    OUTPUT:
    
No acute cardiopulmonary process .