NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,812 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.

genome-wide association study
(JEE-nome ... uh-SOH-see-AY-shun STUH-dee)
A study that compares DNA markers across the genome (the complete genetic material in a person) in people with a disease or trait to people without the disease or trait. These studies may uncover clues to help prevent, diagnose, and treat disease. Also called GWAS.