Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.

Oct 11, 2021 · Explanations about what cancer is, how cancer cells differ from normal cells, and genetic changes that cause cancer to grow and spread.

Information from the National Cancer Institute about cancer treatment, prevention, screening, genetics, causes, and how to cope with cancer.

Cancer Types Find a cancer type using the search box below. Select a cancer type

This page is a gateway to basic information about how cancer develops, trends in cancer cases and deaths, and how cancer affects different populations.

A cancer is always referred to by the stage it was given at diagnosis, even if it gets worse or spreads. New information about how a cancer has changed over time is added to the original stage.

Find the locations of NCI-designated cancer centers by area, region, state, or name that includes contact information to help health care providers and cancer patients with referrals to clinical trials.

These summaries provide statistics for common cancer types. The statistics include incidence, mortality, survival, stage, prevalence, and lifetime risk. Links to additional resources are included. Updated …

Jan 17, 2025 · Metastatic cancer is cancer that spreads from its site of origin to another part of the body. Learn how cancer spreads, possible symptoms, common sites where cancer spreads, and how to …

Smoking causes most lung cancers, but nonsmokers can also develop lung cancer. Start here to find information on lung cancer treatment, causes and prevention, screening, research, and statistics on …