Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or pneumothorax . Elevation of left hemidiaphragm is chronic . Cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the aortic arch and there is tortuosity of the descending thoracic aorta . No visualized acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .