Breast cancer occurs due to the irrepressible growth of cells in the breast that invades the nearby tissues and spreads throughout the body. These collections of irrepressible growth of tissue are called tumors or malignant tumors. However, not all tumors are cancerous.
Breast cancer has been diagnosed in large numbers in North America and Europe. In 2001, about 200,000 cases of breast cancer were diagnosed in the United States alone. Every woman has a 1 in 8 risk of developing breast cancer, but the risk of dying from breast cancer is much lower, barely 1 in 28.
The risk of getting breast cancer is generally higher among older women, women with a family history or previous history of breast cancer, women who had radiation therapy in the chest region, women who started their periods before 12 years old, women who had menopause after 50 years old, women who never had children or had them age 30 or older, or women with genetic mutation. In recent times genetic mutations for breast cancer have become a hot topic of research.
The breast cancer tumor has the following symptoms: lump or thickening that appears on the breast or underarm, changes in the...