Genetics Home Reference (GHR) provides free access to consumer-friendly information on medical genetics to patients and their family members, health care professionals, and the public. The site offers summaries for a broad range of inherited conditions or disorders caused by gene alterations. Each condition summary includes the causes, available genetic testing, and links to summaries on related genes. Descriptions of genes include gene names and their synonyms, normal function, chromosome location, and an explanation of any disorder-causing mutations. Additionally, GHR provides a genetics glossary, help on understanding genetics, and links to many useful consumer, support, and research organizations. GHR is a service of the U.S. National Library of Medicine at the National Institutes of Health.

American Cancer Educational Services is an organization dedicated to the education, support and empowerment of those diagnosed with Cancer, their family and individuals needing clear and concise information.

Mid-Atlantic Cancer Genetics Network, information on cancer genetics and breast, ovarian, colon, rectal, and prostate cancers

Receive your cancer treatment and learn about cancer prevention at MD Anderson Cancer Center.

Cancer.Net (www.cancer.net) - accurate, reliable and doctor approved cancer information from ASCO, the world's leading organization representing medical professionals who treat people with cancer.

Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.