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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



Barrett esophagus  listen  (BA-ret ee-SAH-fuh-gus)

  A condition in which the cells lining the lower part of the esophagus have changed or been replaced with abnormal cells that could lead to cancer of the esophagus. The backing up of stomach contents (reflux) may irritate the esophagus and, over time, cause Barrett esophagus.