Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear without consolidation worrisome for pneumonia . Streaky left basilar opacity is most likely atelectasis . Hiatal hernia is again noted . The cardiomediastinal silhouette is within normal limits . Median sternotomy wires are again noted . Compression deformity in the lower thoracic spine is unchanged . Lumbar posterior disc fixation hardware is partially visualized .
    OUTPUT:
    
No acute cardiopulmonary process .