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Five-year cumulative incidence of squamous cell carcinoma of the anus (SCCA) following a diagnosis of anal intraepithelial neoplasia grade III among persons with AIDS diagnosis prior to anal intraepithelial neoplasia grade III, those with HIV without a prior AIDS diagnosis, and those without HIV or AIDS by sex. No observed cases were reported within strata where cumulative incidence estimates are missing. w/ = with.
