NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,535 terms related to cancer and medicine.
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- genetic testing
- listen (jeh-NEH-tik TES-ting)
- The process of analyzing cells or tissue to look for changes in genes, chromosomes, or proteins that may be a sign of a disease or condition, such as cancer. These changes may also be a sign that a person has an increased risk of developing a specific disease or condition. Genetic testing may be done on tumor tissue to help diagnose cancer, plan treatment, or find out how well treatment is working.