Paramastomasia does not usually recur after mastectomy, as long as it is removed completely in the first surgery. Associate breast is congenital, is in addition to the normal breast of the second breast tissue, is in the process of embryonic development did not completely degradation of the formation of the armpit area is the most common. The paratits and normal breasts are affected by sex hormones, with the menstrual cycle changes in the symptoms are most obvious after pregnancy, and milk secretion during breastfeeding, the paratits can do plastic surgery after surgery better results. Small paratits have no obvious symptoms and do not affect normal life do not need surgical treatment, can be improved by adjusting the bra and exercise. Larger paratesticular breasts with hyperplasia, pain and overflow symptoms appear, affecting normal life can be treated with surgery. After surgery, pay attention to breast care to avoid infection, do not wear too tight underwear, and go to the hospital for regular checkups.