When Jadyn was seven years old, her little brother Carter was diagnosed with Lymphoblastic Leukemia. He was four years old and has been getting chemo treatment for the past year. This is a prominent health issue for children - it  represents  23 percent of all cancer diagnoses among children under 15. It affects thousands of children across the nation, including those who are related to the sick child. This is the story of how cancer changed one family, told by the cancer patient's older sister.