NCI Dictionary of Cancer Terms

  • Resize font
  • Print
  • Email
  • Facebook
  • Twitter
  • Google+
  • Pinterest

The NCI Dictionary of Cancer Terms features 7,777 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.

belotecan hydrochloride
(BEH-loh-TEE-kun HY-droh-KLOR-ide)
A substance being studied in the treatment of small cell lung cancer and other types of cancer. It blocks certain enzymes needed for cell division and DNA repair, and it may kill cancer cells. It is a type of camptothecin analog and a type of topoisomerase inhibitor.