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.
In the News
ANCHOR Study results published in The New England Journal of Medicine
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
IANS Europe Corner
Patient Seminar (Recording)
IANS Scientific Meeting 2023
Check out our new event platform
November 9, 2023