NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,492 terms related to cancer and medicine.

We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.

A drug used to treat T-cell acute lymphoblastic leukemia and T-cell lymphoblastic lymphoma. It is used in patients whose cancer has not gotten better or has recurred (come back) after treatment with other anticancer drugs. Arranon stops cells from making DNA and may kill cancer cells. It is a type of antimetabolite. Also called 506U78 and nelarabine.