An esophageal resection is the surgical removal of the esophagus, nearby lymph nodes, and sometimes a portion of the stomach. The esophagus is a hollow muscular tube that passes through the chest from the mouth to the stomach—a "foodpipe" that carries food and liquids to the stomach for digestion and nutrition. Removal of the esophagus requires reconnecting the remaining part of the esophagus to the stomach to allow swallowing and the continuing passage of food. Part of the stomach or intestine may be used to make this connection. Several surgical techniques and approaches (ways to enter the body) are used, depending on how much or which part of the esophagus needs to be removed; whether or not part of the stomach will be removed; the patient's overall condition; and the surgeon's preference.

From http://www.surgeryencyclopedia.com/Ce-Fi/Esophageal-Resection.html