Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Mild cardiomegaly is stable . The aorta is tortuous with focal dilatation of the descending thoracic aorta , similar to ___ . Mild emphysema is present with hyperinflation of lungs and flattening of the diaphragms . No focal consolidation , pleural effusion , or pneumothorax . No radiopaque foreign body .
    OUTPUT:
    
No evidence for acute cardiopulmonary process . Stable emphysema and mild cardiomegaly . Focal dilatation of the descending thoracic aorta is similar to ___ .