title: Summaries for patients. Anal cancer precursors in persons with HIV infection.
mesh_terms: D000328:Adult; D001004:Anus Diseases / Q000453:epidemiology* / Q000821:virology; D001005:Anus Neoplasms / Q000453:epidemiology* / Q000821:virology; D018791:CD4 Lymphocyte Count; D006679:HIV Seropositivity / Q000150:complications* / Q000276:immunology; D006801:Humans; D016867:Immunocompromised Host; D008297:Male; D030361:Papillomavirus Infections / Q000453:epidemiology*; D011230:Precancerous Conditions / Q000453:epidemiology* / Q000821:virology; D015995:Prevalence; D012307:Risk Factors; D012725:Sexual Behavior; D015819:Substance Abuse, Intravenous / Q000150:complications / Q000821:virology; D014412:Tumor Virus Infections / Q000453:epidemiology*