Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are no focal consolidations . The pulmonary vasculature is normal . There is a stable appearance of the cardiomediastinal silhouette with significant tortuosity of the descending aorta . There are no pleural effusions . There is no pneumothorax .
    OUTPUT:
    
Stable appearance of the cardiomediastinal silhouette compared to prior .