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

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

Cancer Statistical Fact Sheets are summaries of common cancer types developed to provide an overview of frequently-requested cancer statistics including incidence, mortality, survival, stage, …

Definición de cáncer, explicación breve de cómo se origina el cáncer en las células del cuerpo, estadísticas básicas de cáncer y enlaces a otros recursos del NCI.

May 14, 2025 · There is some evidence that inherited cancer-related genetic changes, often called germline mutations, may bear some responsibility for the growing number of early-onset cancers, …

May 7, 2025 · Basic information about cancer statistics in the United States and how they are used to understand the impact of cancer on society and to develop strategies that address the challenges …

Mammograms can detect breast cancer early, possibly before it has spread. Explore the links on this page to learn more about breast cancer prevention, screening, treatment, statistics, research, clinical …

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.

Many treatments are available for breast cancer. Learn about local and systemic treatments and access in-depth information about each type of treatment.