名词
中文翻译：痣
同义词：
['nevus', 'hemangioma']
例句：
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1.The patient had a nevus on his forehead that was causing him discomfort.
病人额头上有一颗痣，让他感到不适。
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2. The doctor found a hemangioma in the child's arm and recommended it be removed surgically.
医生在孩子的手臂上发现了一个血管瘤，建议进行外科手术去除。
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3. The nevus has been present since childhood and is now causing significant concern for the patient.
这个痣从童年起就存在了，现在给患者带来了严重的担忧。