How do you know if you're genetically predisposed to developing cancer? Oftentimes, cancer occurs sporadically—from gene mutations occurring over the course of a lifetime. However, about 10 percent of all incidences of cancer are caused by inherited gene mutations which increase the risk for developing certain types of cancer. When several people in your family have been diagnosed with cancer, many physicians may refer you to genetic testing. On this episode of Frankly Speaking About Cancer, we're exploring one particular type of test, multi-gene panel testing.