According to the National Cancer Institute in 2020, there were an estimated 1,898,160 new cases of cancer diagnosed in the United States. Some cancer types have seen a decline in death rates with a new treatment called CAR-T cell therapy. Meet Emily Whitehead, who was 6 when she was diagnosed with leukemia and her family was told she had no other options left. Emily was one of the first to receive CAR-T cell therapy for her leukemia. Check out her incredible story.