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ＰＲ、ＥＲ在正常乳腺组织中阳性表达率极低，ＣＥＡ在低分化癌表达较高，而正常乳腺组织几乎不表达［１］。本文收集正常乳腺、乳腺癌及乳腺导管上皮非典型增生共１２０例，经作ＰＲ、ＥＲ和ＣＥＡ检测结果分析，探讨该方法在诊断早期乳腺癌中的意义。１ 材料与方法１－１ ?
The expression of PR and ER in normal breast tissue is extremely low, CEA is highly expressed in poorly differentiated carcinoma, and almost not in normal breast tissue [1]. This article collected 120 cases of normal breast, breast cancer and atypical hyperplasia of mammary ductal epithelium, and analyzed the results of PR, ER and CEA to explore the significance of this method in the diagnosis of early breast cancer. 1 Materials and methods 1-1?