Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation , effusion , or edema . Cardiomediastinal silhouette is stable . Median sternotomy wires , mediastinal clips , and coronary artery stents are again noted . Dense atherosclerotic calcifications noted in the aorta . No acute osseous abnormalities , mild height loss of lower thoracic / upper lumbar vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .