Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation or pneumothorax . There is no vascular congestion or pleural effusions . The ascending and descending thoracic aortic contours appear tortuous , though not widened . Hilar contours are within normal limits . The heart size is top normal .
    OUTPUT:
    
1 . No pulmonary edema or confluent consolidation . 2 . Tortuosity of the ascending and descending thoracic aorta .