If it is severe invagination, the recurrence rate of operation is relatively high. If the mammary duct is not cut off, it is sometimes difficult to completely correct the invagination. Therefore, we can try stent traction first, take out the stent after three to six months, and then do an intensive operation immediately, which can be solved by most patients. Korea Grace Plastic Surgery Hospital is a large regular plastic surgery hospital in Korea. As far as I know, many stars are doing it there. You can consult and see.