👉 Choristoblastoma is a type of cancer that occurs in the lining of the mammary glands (breast tissue) in women. The breast is an important part of the female reproductive system, and the mammary glands produce milk for the mother's baby. However, if this lining of the gland starts to grow and divide uncontrollably, it can become a tumor called choristoblastoma. Choristoblastomas are most commonly found in women between 18
