The National Cancer Institute (NCI) is a part of the U.S. National Institutes of Health and is dedicated to cancer research and education. Established in 1937, its mission is to advance scientific knowledge about cancer, improve prevention and treatment, and support cancer-related research initiatives. NCI provides funding for cancer research, offers training for researchers, and disseminates information to the public about cancer prevention and treatment options. It also collaborates with various organizations and institutions to enhance cancer research and improve patient care across the nation.