Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear without focal consolidation , effusion , or edema . Moderate size hiatal hernia is noted . Cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications seen at the aortic arch . No acute osseous abnormalities . Compression deformities of lower thoracic / upper lumbar vertebral bodies are unchanged from prior .
    OUTPUT:
    
No acute cardiopulmonary process .