Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or pneumothorax . Eventration of left hemidiaphragm is again noted . Cardiomediastinal silhouette is within normal limits for technique . Slight tortuosity of the thoracic aorta is noted . No acute osseous abnormalities , hypertrophic changes noted in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .