Breast cancer is a malignant tumor that starts from cells of the breast. A malignant tumor is a group of cancer cells that may invade surrounding tissues or spread (metastasize) to distant areas of the body. The disease occurs almost entirely in women, but men can get it, too.

For more information on breast cancer visit the following sites.

http://www.breastcancercare.org.uk

http://www.cancerresearchuk.org

http://www.breastcancercampaign.org

http://www.breakthrough.org.uk

http://www.cancerbackup.org.uk

http://www.bbc.co.uk/health/womens_health/issues_breastcancer1.shtml