Experts pointed out that the accessory breast is a congenital breast malformation, and the accessory breast is also redundant. The formation of accessory breasts has a great influence on people's physical beauty, so many friends are troubled by it. According to experts, the auxiliary breast may appear anywhere on the breast line, the most common one should be the armpit, and sometimes it will appear on the abdominal wall. Expert introduction II. Accessory breasts are actually not just a symptom that affects women's image. Some of these symptoms are only breasts, some are only nipples, but there are also intact breasts (nipples, areola, glands) under the armpits, and they are relatively large. There is also pain before menstruation, which is obviously aggravated during pregnancy, and even nipples secrete milk when breastfeeding. But if it is serious, it will do harm to women's health. Expert introduction 3. Assisting breasts may cause you psychological anxiety and inconvenience in life, which is also a kind of harm to women, because according to the survey, about 0. 1% of wives will get breast cancer. Because the position of the auxiliary breast is different from that of the normal breast, it is sometimes easily overlooked. Therefore, when the accessory breast is enlarged, life is inconvenient and it is suspected to be a tumor, you should see a doctor. Asymptomatic, small in size, and can be treated without surgery. If the size is large, the proliferation is fast, or the appearance is affected by suspected canceration, accessory mastectomy should be considered.