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Cancer Genetic Testing (CGX) DNA cancer testing

Hereditary or Predisposition Cancer Genomics

Molecular testing looks for specific inherited changes (mutations) in a person's genetic make-up. Genetic mutations may have multiple different effects on a person's health.  Mutations that are harmful may increase a person's chance or risk of developing a disease such as cancer.  Inherited mutations are thought to play a role in 10% of all cancers.  These particular conditions are considered hereditary and appropriate genetic testing may be used to determine an individuals risk.  

Some people inherit mutations in the germ line allowing for the mutations to be passed on from their parents and to their children.  

There are two classes of cellular genes:  oncogenes and tumor suppressor genes.  Often multiple genetic mutations in a single individual are responsible for the development of hereditary cancers.  

Genetic counseling and testing may be recommended for people who have had certain cancers or certain patterns of cancer in their family.