子宫内膜异位症是妇科常见的难治疾病之一，是指具有活性的子宫内膜在正常了宫腔面以外的部位出现和增殖的疾病。
Endometriosis is one of the common , difficult and complicated diseases in gynecology , which is defined as endometriotic tissues growing outside normal uterine cavity .
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