名词
中文翻译：癌前病变
同义词：
['premalignant lesion', 'preneoplastic lesion', 'pre-cancerous lesion']
例句：
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1. The doctor found a small growth on her breast that was likely a pre-cancerous lesion.
医生在她的乳房上发现了一个小肿块，很可能是一个癌前病变。
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2. The study found that many of these pre-cancerous lesions could be prevented with regular screenings.
研究发现，许多这些癌前病变可以通过定期筛查来预防。
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3. Pre-cancerous lesions are often treated before they become cancerous.
癌前病变通常在变成癌症之前就被治疗了。