NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,386 terms related to cancer and medicine.

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The active ingredient in a drug used alone or with other drugs to treat certain types of breast, non-small cell lung, ovarian, and pancreatic cancers that are advanced or have spread to other parts of the body. It is also being studied in the treatment of other types of cancer. Gemcitabine stops cells from making DNA and may kill cancer cells. It is a type of antimetabolite.