NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,380 terms related to cancer and medicine.

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A substance that has been studied in the treatment of some types of cancer. It may cause damage to the DNA in cells that have a low level of oxygen, including cancer cells. This may make the cells easier to kill with radiation therapy and chemotherapy. Tirapazamine is a type of radiosensitizing agent and a type of chemosensitizing agent.