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.

Lactobacillus rhamnosus GG
(LAK-toh-buh-SIH-lus ram-NOH-sus ...)
A live form of a bacterium that makes lactic acid (a substance that is made from sugars found in milk and is also made in the body). Lactobacillus rhamnosus GG is given to help with digestion and normal bowel function. It may also help keep the gastrointestinal (GI) tract healthy. It is being studied in the prevention of infections in patients having donor stem cell transplants and in other conditions. Also called Culturelle.