Can you please explain breast cancer?

Uncontrolled growth: Uncontrolled cell growth in the breast typically of ductal or lobular origin.

Cancer of the breast: Cancer that forms in tissues of the breast, usually the ducts (tubes that carry milk to the nipple) and lobules (glands that make milk). It occurs in both men and women, although male breast cancer is rare. Read more here : http://cancer.Gov/cancertopics/wyntk/breast.

Type of cancer: Breast cancer is a type of cancer which originates from breast tissue.

Unregulated growth: Cancer by definition is the growth in size and number in an unregulated manner of a cell line that has developed a mutation. The mutation is passed through the offspring which accumulate more and more mutations. The defining factor is that the cells act immortal as compared to normal cells that have a programmed lifespan. In the breast this can occur in the cells in different lobules or ducts.

DCIS-Stage IV cancer: Breast cancer is synonymous with breast carcinoma and occurs in either the breast ducts or lobules commonly. Breast cancer ranges from dcis which is the mildest form to a large primary breast tumor with extensive spread all over the body. At age 23 it would be unusual to have this disease. If you have a strong family history or a breast lump that you are concerned about see your pcp or breast md.