Anal Cancer: What You Need to Know | Dana-Farber Cancer Institute

Anal Cancer: What You Need to Know | Dana-Farber Cancer Institute: Medically reviewed by Douglas Rubinson, MD, PhD Anal cancer is a type of cancer that forms in tissues of the anus. The anus is the opening of the rectum to the outside of the body and at the end of the gastrointestinal tract. What is the leading theory on why the incidence rate has risen … Continued