Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The hilar and mediastinal contours are within normal limits and unchanged since ___ . There is marked tortuosity to the aorta . Moderate upper thoracic dextroscoliosis is again seen . There is no pneumothorax or focal consolidation .
    OUTPUT:
    
No acute intrathoracic process .