title: Epidemiology of Anal Canal Cancer.
abstract: Anal cancer is a rare malignancy, although its incidence has been increasingly in recent decades. This article discusses risk factors for anal cancer and how these risk factors affect the changing demographics of this disease.
authors.affiliation: Hematology/Oncology, Department of Medicine, Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, 676 N Saint Clair, Suite 850, Chicago, IL 60611, USA.
authors.forename: Valerie M
authors.initials: VM
authors.lastname: Nelson
authors.affiliation: Hematology/Oncology, Department of Medicine, Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, 676 N Saint Clair, Suite 850, Chicago, IL 60611, USA. Electronic address: a-benson@northwestern.edu.
authors.forename: Al B
authors.initials: AB
authors.lastname: Benson
mesh_terms: D001003:Anal Canal / Q000821:virology*; D001005:Anus Neoplasms / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D015994:Incidence; D030361:Papillomavirus Infections / Q000175:diagnosis / Q000453:epidemiology* / Q000821:virology; D053918:Papillomavirus Vaccines; D012307:Risk Factors; D012725:Sexual Behavior
chemical_list: D053918:Papillomavirus Vaccines
keywords: Anal canal; Epidemiology; HIV; HPV