Breast cancer is currently one of the most common malignancy of women, according to survey statistics, the incidence of breast cancer accounts for 7-10% body a variety of malignant tumors. It is often associated with the incidence of inherited, as well as 40-60 years old, pre-and post-menopausal women have a higher prevalence. Only about 1-2% of breast patients were male. Usually occurs in the breast glandular epithelial tissue malignancies. Is a serious impact on women’s physical and mental health and even life-threatening, one of the most common malignant tumor, a rare male breast cancer.
Breast glandular epithelial cells of cancer-causing factors in a variety of roles, the occurrence of a genetic mutation, resulting in uncontrolled cell proliferation caused by breast cancer. Because the biological behavior of cancer cells has changed, showing a disorderly proliferation of malignant unlimited. Histological manifestations of it is a lot of childish of unlimited proliferation of cancer cells and disorderly like to crowded into the mission, squeeze, and erosion of the surrounding normal tissue damage, destruction of normal tissue structure of the breast.
Mutation after the loss of mammary cells, normal cells, the characteristics, organizational structure, disorder, loosely connected cells, cancer cells can easily fall off free, with the blood or lymph such as disseminated body, the early formation of distant metastasis, to breast cancer cured an increase of great difficulties. Systemic transfer of important organs such as lung metastases, brain metastasis, bone metastasis and so on will be a direct threat to human life, so breast cancer is a serious life-threatening human malignant tumors.
Since the 20th century, the incidence of breast cancer around the world are rising. In Europe, North America accounted for women’s cancer incidence of the first, 2.
Therefore, we must pay attention to preventive work to avoid breast cancer have not been invited. Peacetime develop the habit of breast self-inspection, if found to have any unusual, be sure to a regular hospital treatment, so as not to miss the best time of their treatment.
