Cancerbackup: Anal Cancer
- Information about this type of cancer includes symptoms, diagnosis, and treatment.
- http://www.cancerbackup.org.uk/Cancertype/Anal/Analcancer

ACS: All About Anal Cancer
- Detailed guide and overall view of the disease.
- http://www.cancer.org/docroot/CRI/CRI_2x.asp?sitearea=&dt=47

MedlinePlus: Anal Cancer
- Provides description of disease, treatment options, diagnosis, research, illustrations, and links.
- http://www.nlm.nih.gov/medlineplus/analcancer.html

NCCN: Anal Carcinoma
- Provides the professionally established guidelines for this disease.
- http://www.nccn.org/professionals/physician_gls/PDF/anal.pdf

NCI: Anal Cancer
- Resource from the U.S. National Cancer Institute including causes, genetics, prevention, statistics, treatment and clinical trials.
- http://www.cancer.gov/cancer_information/cancer_type/anal