在研究开始前,31人有轻度不典型增生性癌前病变,5人有中度不典型增生性癌前病变。
At the study start, 31 had the precancerous condition known as mild dysplasia and five had moderate dysplasia.
在研究开始前,31人有轻度不典型增生性癌前病变,5人有中度不典型增生性癌前病变。
At the study start, 31 had the precancerous condition known as mild dysplasia and five had moderate dysplasia.
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