Figure 3a. Ivor Lewis procedure in a 68-year-old man with squamous cell carcinoma (SCC) of the middle thoracic esophagus. (a) Pre-operative CT scan (5-mm section thickness) shows diffuse circumferential esophageal wall thickening (arrow). (b) Barium esophagogram obtained 2 months after surgery shows intrathoracic anastomoses (arrows) at the level of the aortic arch.