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.

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.

The Annual Report to the Nation on the Status of Cancer has statistics on cancer deaths and new cases (incidence).

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

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 …

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 8, 2025 · There are many risk factors for stomach cancer, but many do not directly cause cancer. Instead, they increase the chance of DNA damage in cells that may lead to stomach cancer.

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, …

NCI supports clinical trials studying new and more effective ways to detect and treat cancer. Find clinical trials for malignant testicular neoplasm.