National Cancer Institute (NCI)Cancer.gov is the central website for the National Cancer Institute (NCI), the U.S. government’s principal agency for cancer research. NCI is mandated by U.S. law to disseminate information about cancer and cancer research.
This website offers free, credible, current, comprehensive information about cancer prevention and screening, diagnosis and treatment, research across the cancer spectrum, clinical trials, and news and links to other NCI websites.
The information on this site is science-based, authoritative, and up-to-date. Medical experts, cancer researchers, and editors review the content before it is published to the website.