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We previously showed that telomerase - null mice with critically short telomeres developed endometrial lesions histologically resembling endometrial intraepithelial carcinoma ( EIC ) , the accepted precursor for Type II EMCA .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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