premalignant detail恶变前的
premalignant fibroepithelioma恶变前纤维上皮瘤
premalignant disorders癌前病变
premalignant diseas癌前疾病
premalignant lesions癌前病变
premalignant status癌前状态
premalignant fibropithelioma恶变前纤维上皮瘤
premalignant conditions癌前情况
destruction premalignant skin lesion恶性前皮肤病损毁坏术