Ivor Lewis esophagectomy in a patient with enlarged azygos vein: a lesson to learn.

We report the case of a 62-year-old patient with congenital interruption of the inferior vena cava and azygos continuation who required transthoracic esophagectomy to remove a tumor in the middle esophagus. The consequences of dividing an enlarged azygos vein in this kind of patient are reported and discussed.