Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette . Chronic interstitial opacities are compatible with known additional lung disease . There is bibasilar atelectasis , right greater than left . No focal consolidation , pleural effusion , or pneumothorax is appreciated . Vertebroplasty changes again noted at the lower thoracic / upper lumbar spine .
    OUTPUT:
    
No acute cardiopulmonary process . Bibasilar atelectasis . Unchanged chronic interstitial lung disease .