Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . No focal consolidation , effusion , edema , or pneumothorax . The heart size is normal . The ascending and descending thoracic aorta are tortuous and / or ectatic . No acute osseous abnormality .
    OUTPUT:
    
1 . No pneumonia . 2 . Tortuous and / or ectatic thoracic aorta .