Home - Diet, activity and cancer - Cancer types - Breast cancer. How diet, nutrition and physical activity affect breast cancer risk. In total, we analysed studies from around the world, comprising more than 12 million women and over , cases of breast cancer. Breast tissue comprises mainly fat, glandular tissue arranged in lobes , ducts and connective tissue.
Primary breast cancer 2. The breasts and lymph nodes 3. Types of primary breast cancer 4. Treatment for primary breast cancer. Breast cancer starts when cells in the breast begin to divide and grow in an unusual and uncontrolled way. Breasts are made up of lobules milk-producing glands and ducts tubes that carry milk to the nipple. These are surrounded by tissue that gives the breasts their size and shape.
These send information about how our site is used to a service called Google Analytics. We use this information to improve our site. Let us know if this is OK. You can read more about our cookies before you choose.
Breast cancer is cancer that starts in the tissues of the breast. There are two main types of breast cancer:. Breast cancer risk factors are things that increase the chance that you could develop breast cancer:.