NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,846 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

A drug used to treat brain tumors that have already been treated with surgery or radiation therapy. It is also used to treat Hodgkin lymphoma that has not gotten better with other types of treatment or has come back. It is being studied in the treatment of other types of cancer. CCNU damages the cell's DNA and may kill cancer cells. It is a type of alkylating agent. Also called CeeNU and lomustine.