Vanderbilt-Ingram Cancer Center

Patients are being asked to take part in this research study because they have colorectal cancer. The purpose of this study is to look at genes (DNA) and how they affect health and disease. Genes are the instruction manual for the body. The genes patients get from their parents decide what they look like and how their body behaves. They can also tell us a person-s risk for certain diseases and how they will respond to treatment. These tests may provide information about the patient's tumor that could help them make treatment plans in the future. If any tissue remains after this testing is done, patients can choose to have this remaining tissue used for medical research. Almost all of the genes to be tested are only in the tumor and are not found in normal tissue. These markers are not usually passed within families from one generation to another. They also do not tell us about the chance of other family members getting cancer.

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