Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change . No edema , effusion , focal consolidation , or pneumothorax . Mild cardiomegaly is unchanged . The ascending and descending thoracic aorta is ectatic , unchanged since at least ___ .
    OUTPUT:
    
1 . No pneumonia . 2 . Tortuous thoracic aorta , similar to ___ .