The current diagnostic strategies for the endometrial pre-cancers are based on an integrated knowledge of endometrial carcinogenesis, from diffuse hormonal changes to benign hyperplasias and to the earliest recognizable prema-lignant cells (endometrial intraepithelial neoplasia, EIN) [13]. In the past, the last 2 concepts were included in the term endometrial hyperplasia (EH).
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