Health Information


  • Digestive System: An Overview

    Detailed information on how the digestive system works, including a full-color, labeled illustration of the digestive system

  • Anatomy of the Anus

    The anus is the last part of the digestive tract. Learn more about its anatomy, including where anal cancer is likely to start.

  • Anal Cancer: Introduction

    Anal cancer is cancer that starts in the cells of the anus. Learn more about this type of cancer.

  • Anal Cancer: Statistics

    Find out how many people will get anal cancer in 2016.

  • Anal Cancer: Risk Factors

    A risk factor is anything that may increase your chance of having a disease. Learn about the risk factors for anal cancer.

  • Anal Cancer: Symptoms

    Sometimes anal cancer does not cause any symptoms at all. Bleeding from your rectum is the most common symptom of anal cancer.

  • Anal Cancer: Early Detection

    Screening tests are done to check for diseases in people who don’t have symptoms. A digital rectal exam (DRE) may be used to screen for anal cancer.

  • AIDS-Related Malignancies

    People who have AIDS are much more likely to get certain types of cancer than people without the disease.