Fig 1. Pooled age-specific anal cancer incidence rates by birth cohort in men and women born from 1900 to 1983, for each of the five 5-yearly average rates (1988–92, 1993–97, 1998–2002, 2003–2007, 2008–2012).

SCC–squamous cell carcinoma; ADC–adenocarcinoma; M–male; F- female.