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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



gastrointestinal stromal tumor  listen  (GAS-troh-in-TES-tih-nul STROH-mul TOO-mer)

  A type of tumor that usually begins in cells in the wall of the gastrointestinal tract. It can be benign or malignant. Also called GIST.

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Drawing of the gastrointestinal tract showing the esophagus, stomach, colon, small intestine, and rectum.