Breast cancer is a type of cancer which is formed in the breast cells. Breast cancer is the most common cancer diagnosed in females in the United States after skin cancer. Breast cancer can involve both men and women, but in women it is much more common.
Substantial support for education and research funding on breast cancer has helped to create advances in breast cancer diagnosis and treatment. Breast cancer prognosis and survival rates have increased, and the number of associated deaths is steadily declining. It is largely due to factors such as a better understanding of the disease, earlier detection, and new customized approaches to treatment.