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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



gastrointestinal tract  listen  (GAS-troh-in-TES-tih-nul trakt)

  The stomach and intestines. The gastrointestinal tract is part of the digestive system, which also includes the salivary glands, mouth, esophagus, liver, pancreas, gallbladder, and rectum.