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. 


WebRounds

IANS Europe Corner

New!European Monthly Meetings 

Join the committee the first Thursday of the month 
at 17:00 GMT +2


Watch Recording

Research


Meeting link


HRA Courses


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Non-member Survey

Patient Seminar Recording


Career Center

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HRA Courses

Spanish -Portuguese Corner


Spanish - Portuguese Corner

Newsletter

Watch Recording

DARE & HRA


IANS Scientific Meeting 2026

NOVEMBER 2026
MORE INFO TO COME!

IANS Podcast

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The International Anal Neoplasia Society

P.O. Box 1543
Leesburg, Virginia 20177

info@iansociety.org

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