If you have a cancer of unknown primary or are close to someone who does, knowing what to expect can help you cope. Here you can find out all about cancers of unknown primary, including risk factors, symptoms, how they are found, and how they are treated.
Whether you’re worried about developing a cancer of unknown primary, making decisions about treatment, or trying to stay well after treatment, we can help. Find information in our Detailed Guide.
Learn about the causes of cancer of unknown primary and what you might be able to do to help lower your risk.
If you are facing a cancer of unknown primary, we can help you learn about your treatment options and possible side effects, and point you to information and services to help you get through treatment and live well afterward.
The American Cancer Society is committed to relentlessly pursuing the answers that will save lives from cancers of unknown primary. In fact, the Society has been a part of nearly every major cancer research breakthrough in recent history.