Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . The cardiomediastinal silhouette is unremarkable . Dense calcifications are noted in the aortic arch . There is no pleural effusion , pneumothorax , or focal consolidation . Multilevel thoracic vertebral compressions deformities are unchanged . Severe degenerative changes in the shoulders are again noted .
    OUTPUT:
    
No acute cardiopulmonary process .