NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,386 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.
- listen (GLEE-oh-steen)
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. Gleostine damages the cell's DNA and may kill cancer cells. It is a type of alkylating agent. Also called CCNU and lomustine.