Review
Copyright ©The Author(s) 2016.
World J Gastrointest Surg. Jan 27, 2016; 8(1): 41-51
Published online Jan 27, 2016. doi: 10.4240/wjgs.v8.i1.41
Figure 1
Figure 1 San Francisco algorithm for anal cancer screening of high-risk patients. ASC-US: Atypical squamous cells of undetermined significance; LSIL: Low-grade squamous intraepithelial lesions; HSIL: High-grade squamous intraepithelial lesions; Pap: Papanicolaou; HRA: High-resolution anoscopy; AIN: Anal intraepithelial neoplasia (adopted from Chin Hong, Palefsky. Clin Inf Dis 2002).