Esophageal Cancer »
What is the esophagus?
The esophagus is a hollow tube that carries food and liquids from the throat
to the stomach. When a person swallows, the muscular walls of the esophagus
contract to push food down into the stomach. Glands in the lining of the
esophagus produce mucus, which keeps the passageway moist and makes swallowing
easier. The esophagus is located just behind the trachea (windpipe). In an
adult, the esophagus is about 10 inches long.
What is cancer?
Cancer is a disease that
affects cells, the body's basic unit of life. To understand any type of cancer,
it is helpful to know about normal cells and what happens when they become
cancerous.
The body is made up of many types of cells. Normally, cells grow, divide, and
produce more cells when they are needed. This process keeps the body healthy and
functioning properly. Sometimes, however, cells keep dividing when new cells are
not needed....
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