Ductal carcinoma in situ, or DCIS, is the earliest form of breast cancer and is highly treatable, according to the MayoClinic.com. DCIS is a small cancerous growth in a milk duct of the breast that is contained within the duct and has not spread...
Ductal carcinoma in situ (DCIS) is a type of non-invasive breast cancer that, when detected early, has an excellent prognosis. The cancer cells are confined to a duct within the breast and have usually not spread to the surrounding breast tissue...
Non-invasive breast cancer, often called "Stage 0" breast cancer, can be a very early stage in the development of a breast tumor or simply a risk factor for future breast cancer onset. There are two subtypes of non-invasive breast cancer: lobular...
Each breast contains branching glandular tissue composed of lobules and ducts, which produce breast milk and carry the milk to the nipple. Fat cells, connective tissue, blood vessels and lymph nodes surround the glandular tissue, providing support...
Breast cells undergo cycles of proliferation and maturation throughout the menstrual cycle and during pregnancy. These cycles of cell growth are governed by a number of molecular signals that guide the behavior of the cells. When breast cells...
Breast cancer forms in the tissues of the breast, usually in the ducts or glands that produce or carry the milk to the nipples. According to the National Cancer Institute, more than 192,000 new cases were diagnosed in 2009. Treatment is available...
Over 200,000 American women develop breast cancer each year, according to BreastCancer.org. Of those cases, nearly 70,000 of them will be non-invasive forms of cancer. Non-invasive breast cancer has not spread from the point where it developed. A...
Ductal carcinoma in situ, also called DCIS, is a relatively mild form of breast cancer, accounting for around 25 percent of breast cancer cases, according to Imaginis.com. The disease is characterized by abnormal cell growth within a breast duct,...
The breast is a complex combination of connective tissue, mammary ducts and the spherical-shaped sacs called lobules that produce milk. The pectoralis muscle is located between the breast and the ribs in the chest wall. Breast cancer, an...
Breast cancer is classified according to where the cancer originates. The Mayo Clinic explains that breast cancer can start in the ducts of the breast, the milk-producing lobules of the breast or, sometimes, the connective tissue that is in...
