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About Cancer

Featured Content

Breast Changes and Conditions Explained

Including changes that are benign (not cancer) and those that may increase a woman’s risk of cancer.

External Beam Radiation Therapy

This type of cancer treatment comes from a machine that aims radiation at a specifc part of your body.

Looking for a Clinical Trial?

With our new basic search form, you can find a trial or contact the NCI for help via phone, email, or online chat.

Your Guide to Cancer

Cancer Basics

Newly Diagnosed

Treatment

Learn more about treatment

Coping with Cancer

Supportive information on managing the physical and emotional effects of cancer and treatment for both patients and caregivers.

Advanced Cancer

Information to help with talking about and coping with advanced cancer, making choices about care, and planning for the end of life.

A female doctor visits with a husband and wife at their home

Managing Cancer Care

Information on choosing a doctor or treatment facility, home care, financial help, insurance coverage, end-of-life planning, and resources to help you avoid scams.

During metastasis, cancer cells spread from the place in the body where they first formed to other parts of the body.

Contact Us for Help

NCI offers free information on cancer topics in English and Spanish. Get live help at 1-800-4-CANCER.