Cancer Basics

This section provides information on the following topics:

What is Cancer?

Learn about how cancer begins and read about the main types of cancer.

The Cancer Care Team

Learn how multiple professionals work as part of a health care team, which often includes oncologists, oncology nurses, and additional health care professionals.

What is Metastasis?

Metastasis is the medical term for cancer that spreads to a different part of the body from where it started. This article explains how metastasis happens and how it is treated. 


Genetics is the study of how traits and diseases are inherited from one generation to the next. This section provides information on genetics and cancer, genetic testing, and genetic information for individual cancer types.

Medical Illustrations Gallery

Full-color illustrations of common sites where cancer occurs, organized by cancer type, including a version that can be downloaded and printed on an 8.5" x 11" page. The gallery includes both anatomical illustrations and illustrations of the cancers by stage.

Cancer Terms

This glossary defines cancer words you may hear throughout your treatment and in cancer research.