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. 


IANS Europe Corner

Patient Seminar (Recording)

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Help low income clinicians become a member of IANS by donating today!


Career Center

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Upcoming events

  • HRA Course opens March 2023

IANS Scientific Meeting 2023

More info to come

Interested in a one day
pre-meeting course?
Let us know what kind of educational activity.

Email IANS

The International Anal Neoplasia Society

P.O. Box 1543
Leesburg, Virginia 20177


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