Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is normal . The lungs are clear without consolidations or edema . There is no pleural effusion or pneumothorax . There are no pulmonary masses . Again noted is mild calcification of the intervertebral discs in the mid thoracic spine .
    OUTPUT:
    
Normal chest radiograph aside from thoracic vertebral disc degeneration .