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. |
Screening GuidelinesNew Australian Anal Cancer Screening Guidelines
Anal cancer screening guidelines are now published in the International Journal of Cancer
In 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
Donate TodayHelp low income clinicians become a member of IANS by donating today! | WebRounds
IANS Europe CornerJoin the committee the first Thursday of the month Next meeting Thursday May 8th Interested in IANS? Click below Patient Seminar Recording
Spanish -Portuguese Corner | HRA Courses
Scientific Meeting 2025IANS PodcastCareer Center
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ANCHOR Study results published in The New England Journal of Medicine
New!
Website Spotlight
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