Postoperative levels of insulin and morphological pattern of beta-cells of islets of Langerhans were studied in 27 esophageal cancer patients following one-stage esophageal resection or repair with the gastric pedicle graft and extracavitary cervical shunt. There is a postoperative inhibition of secretory activity of the insulin pancreatic apparatus which recovered on 120 postoperative day. These shifts resulted from dystrophy of the beta-cells.
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