Cancer that originates in the glandular tissue, such as in the ducts or lobules of the breast.

An uncommon condition in which additional breast tissue is found in the axillary (underarm) area. Women with this condition often require special...

A closed pocket of tissue containing pus (a creamy, thick, pale yellow or yellow-green fluid that comes from dead tissue); most commonly caused by...

Treatment that involves the removal or destruction of the function of an organ, as in the surgical removal of the ovaries or the administration of...