Welcome to IANSWe 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. |
Website SpotlightIn the News
Treatment of Anal High-Grade Squamous Intraepithelial Lesions to Prevent Anal Cancer
Human Papillomavirus Vaccination for Adults: Updated Recommendations of the Advisory Committee on Immunization Practices
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IANS in EuropeDonate TodayHelp low income clinicians become a member of IANS by donating today! | Upcoming events
IANS Scientific Meeting 2023
SAVE THE DATE! Patient Seminar (Recording)Career Center
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High Resolution Anoscopy Text in 
ANCHOR Study results published in The New England Journal of Medicine
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