Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post removal of an esophageal stent , with no evidence of post-procedural pneumomediastinum . Marked widening of the left mediastinal contour is present in the region of the descending thoracic aortic interface , and corresponds to the presence of extensive aneurysmal dilation of the thoracic aorta , more fully evaluated on CT of ___ , which also demonstrated ulceration . Bilateral small pleural effusions have decreased in size since ___ chest radiograph .
    OUTPUT:
    
1 . Status post removal of esophageal stent . 2 . Small bilateral pleural effusions , decreased from ___ . 3 . Aneurysmal dilation of descending thoracic aorta .