surgical margin meaning in English

《英汉医学词典》surgical margin
(肿瘤)切除缘

for most cases, treatment should include aggressive surgery with a free surgical margin
对于大部分的病人，积极的外科治疗是达到增加存活率最主要的方法。
both overall survival times were significantly influenced by age, tumor size, tumor location, surgical method, and surgical margin status
病人的存活与年龄、肿瘤的大小、肿瘤位置、手术方法及手术后病灶边缘状态有关。
inadequate surgical margins, poor histologic response to chemotherapy, advanced stage of disease, and incomplete treatment were strongly associated with poor prognosis
在我们的研究里，不足够的手术切割边、对化疗反应差、疾病较末期及治疗不完整的病人，其预后都比较差。