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Genetic Testing

Glossary

genetic testing

The process of analyzing cells or tissues to look for genetic changes that may be a sign of a disease or condition, such as cancer. These changes may be a sign that a person has an increased risk of developing a specific disease or condition. Genetic testing may also be done on tumor tissue to help diagnose cancer, plan treatment, or find out how well treatment is working.

Last updated: 2017-11-08

Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)