excision
noun [ U ] uk/ekˈsɪʒ.ən/ us/ekˈsɪʒ.ən/
formal去除;删除
the act of removing something
The document had been sanitised by the excision of secret material. 文件作了净化处理，删除了其中不宜公开的秘密内容。
medical specialized（通过手术）切除
the act of removing tissue, organs, or tumours in an operation
With a wide local excision, the cancerous tissue and some surrounding healthy tissue is cut out. 通过大面积的局部切除，移除了癌变组织和周围一些健康的组织。