Press Release from NCI: In people with HIV, treating precancerous anal lesions cuts risk of anal cancer by more than half National Cancer Institute sent this bulletin at 06/15/2022 06:48 PM EDT The latest press release from the National Cancer Institute Having trouble viewing this email? View it as a Web page. You are subscribed to Press Releases from the National Cancer Institute. New press releases are listed below. In people with HIV, treating precancerous anal lesions cuts risk of anal cancer by more than half 06/15/2022 Results from the NCI-supported ANCHOR study show that treating anal precancerous growths known as high-grade squamous intraepithelial lesions, or HSIL, reduces the chance that anal cancer will develop by more than half.