Breast Cancer - symptoms, Stages, Risk factors, Diagnosis, Treatment and more in Biology Extrema
Abstract: Breast cancer or breast carcinoma is the uncontrolled growth of epithelial cells lining ducts and lobules of breast. A Study says that it is the second most common cancer in women. You cannot feel the pain or discomfort until they have spread to nearby tissues. So the diagnosis of the breast cancer is needed first. Each time cells divide there is a chance for genetic mutation which cause of tumor formation. There are some risk which are increased in a number of menstrual cycles.... The first menstrual bleeding and late menopause also increase the risk of breast cancer. early pregnancy and longer time breastfeeding increased the risk of breast cancer. Breast cancers linked to mutation in tumor suppressor genes. Breast Cancer gene are - BRCA1 and BRCA 2 and TP 53 The expression of the gene control the cell division slow down the division and make the cell die if they divide in uncontrolled manner. Mutation in BRCA1 AND BRCA2 can cause familia...