Causes of Breast Cancer

The cause of breast cancer has not yet been fully clarified, and it is closely related to certain high-risk factors, as follows: 1. Family history, such as first-degree relatives such as mother, daughter, and sister are breast cancer patients; 2. Unmarried and childless, late childbearing and no breastfeeding; 3. Menarche age <12 years old, menopause age >55 years old; 4. Obesity, such as postmenopausal obesity; 5. Unhealthy lifestyle habits, such as high-fat diet and long-term heavy drinking; 6. Carrying gene mutations related to breast cancer; 7. High work pressure and depression.

What are the symptoms of breast cancer in the middle stage?

The main symptoms of breast cancer in the middle stage include: 1. Painless lumps appear in the affected breast. Because there are usually no subjective symptoms, the lumps are often discovered by the patient accidentally; 2. Nipple discharge. Different discharge colors represent different diseases. Accompanied by abnormalities of the nipple and areola, such as nipple atrophy and nipple eczema-like cancer; 3. Changes in the shape of the breast. The nipple shifts toward the direction of the cancer. If the cancer cells block the lymphatic vessels, orange peel-like changes will appear; 4. Some patients experience breast pain; 5. After lymph node metastasis of breast cancer, the ipsilateral axillary lymph nodes will be enlarged.

What is the prognosis for breast cancer?

The treatment effect of breast cancer is good, and the cure rate is relatively high compared with other tumors. The specific prognosis is related to the pathological cell type, molecular typing, stage, and whether regular and reasonable treatment is received. Clinically, early detection and early treatment are advocated, and the cure rate can reach more than 90%. The cure rate of advanced breast cancer is low. The ten-year survival rate of stage I breast cancer is 80%-90%, the ten-year survival rate of stage II breast cancer is 60%-70%, the ten-year survival rate of stage III breast cancer is 30%-40%, and the ten-year survival rate of stage IV breast cancer is only 10%.