NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,863 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 level of sedation in which a person is very relaxed and may be awake. The person is able to answer questions and follow instructions. Anxiolysis is caused by special drugs and is used to help relieve anxiety during certain medical or surgical procedures. Also called minimal sedation.