Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant interval change . The lungs are clear without focal consolidation or definite effusion . Cardiomediastinal silhouette is stable . Tortuosity of the thoracic aorta with atherosclerotic calcifications noted . Retrocardiac opacity is compatible with a moderate - sized hiatal hernia . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .