Results Among 76 cases there were 8 cases of severe atypical hyperplasia,6 cases of papillary hyperplasia,4 cases of tubular adenosis and others were simple hyperplasia.

• 结果76例中，有8例重度不典型增生，6例乳头状瘤样增生，4例腺管型腺病，其它仅上皮增生。