NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 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.

mutation carrier
(myoo-TAY-shun KAYR-ee-er)
A person who has a mutated (changed) copy of a gene. This change may cause a disease in that person or in his or her children.