NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,926 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 type of nutrition drink that may help people who cannot get all the nutrients they need from foods and other drinks. Ensure has vitamins, minerals, protein, and fats. It may be added to a person’s diet to help build strong bones, rebuild muscle and strength, and help the body heal after injury or surgery. Ensure may be taken by mouth or given through tube feeding. Ensure is a type of polymeric enteral nutrition formula and a type of dietary supplement.