Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Thoracic aorta is tortuous and contains dense calcifications along the arch . There is moderate deviation of the trachea to the right , similar to the prior examination from ___ but increased from ___ , likely related to a dilated aorta . Cardiac silhouette is stable . Elevation of the left hemidiaphragm is chronic . The lungs are grossly clear . There is no pulmonary edema . There is no large effusion or pneumothorax .
    OUTPUT:
    
1 . No substantial change compared to the prior examination . 2 . Deviation of the trachea to the right has increased since ___ and may be due to a dilated aorta .