Children’s National Hospital is a leader in children’s cancer research. U.S. News & World Report ranks them among the nation’s top 10 in its 2021-22 Best Children’s Hospitals Honor Roll and top 5 for cancer care. They are paving the way on a technology that trains the body’s immune system sniper cells (T cells) to recognize protein on the surface of cancer cells, leading to the death of those malignant cells.