乳腺纤维囊性变。大多数发现于生育期妇女尤其是在30岁到绝经期之间的“乳腺肿块”是由纤维囊性变引起的。
Another example of microscopic fibrocystic changes of the breast are shown here. Fibrocystic changes account for the majority of "breast lumps" that are found in women of reproductive years, particularly between age 30 and menopause.