excision of polyp of colon through fibercoloscope

例句：

1. 1. The surgeonperformed an excision of the tumor.
   外科医生进行了肿瘤的切除。
2. 2. Thepatient underwent a surgical excision of the wound.
   患者接受了手术来切除伤口。
3. 3. Theprocedure involves excision ofthe cancerous tissue.
   该程序涉及切除癌组织。