She immediately underwent a double mastectomy and chemotherapy in the belief that would eliminate the cancer. She saw other people in the chemo room undergoing treatment because their cancer had come back a second and third time and Jenny realized surgery and chemotherapy are not a cure for cancer. She learned how to get tested for circulating tumor cells and found she was not cancer free, even though her PET scan was "clean." She learned about a number of tests that can change how cancer is diagnosed, treated, and even prevented. Her mission is to change the way the world detects cancer.