Genetics underlies all cancers. Early-onset cancer, multiple primaries, family history, and ancestry can suggest inherited risk. UCSF Dr. Jocelyn Chapman and genetic counselor Julie Mak explain that genetic testing with multi-gene tests identify inherited risk and can improve early detection, prevention, and treatment of cancer. But tests vary widely in quality and scope. Find out what you need to know to make the best decisions about managing complex genetic information.

Series: "Mini Medical School for the Public" [Health and Medicine] [Show ID: 32076]