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Welcome to IANS

We are the world's first professional society devoted to the prevention and treatment of AIN (anal intraepithelial neoplasia) and anal cancer.

Our mission is to provide a forum for individuals with a broad spectrum of backgrounds, viewpoints and geographic origin, an exchange of ideas and dissemination of knowledge regarding the pathogenesis, diagnosis, treatment and prevention of anal neoplasia. 


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In the News

Human Papillomavirus Vaccination for Adults: Updated Recommendations of the Advisory Committee on Immunization Practices 


Anal Cancer is on the rise, especially in women. Should they be screened?

    International Anal Neoplasia Society Guidelines for the Practice of Digital Anal Rectal Examinations 

      Webinar - March 21, 2021
      The Anal Cancer Foundation's webinar "Taking Care of You: Tips and Exercises to Restore Your Pelvic Health After Chemoradiation" is a video resource for patients and their caregivers.  A blog post with the exercises and resources is available here ( https://www.analcancerfoundation.org/pelvic-pt-webinar-2021). Please contact ACF with any questions at connect@analcancerfoundation.org. 

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      Upcoming events

      Scientific Meeting


      Save the Date!

      COVID-19 Guidelines

      For IANS guidelines click on the link

      Full Guidelines

      To view IANS response to the recent article in Colorectal Disease click the link

      Full Article

      The International Anal Neoplasia Society

      P.O. Box 1543
      Leesburg, Virginia 20177

      info@iansociety.org

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