He then sends what he has excised to a laboratory, where technicians sample all around the outside of the extracted mass to see if it is encapsulated by healthy tissue.

• 接下来他会将切离的瘤体提交至实验室，在那里技术人员将对切除体外层组织进行取样以检视是否切除肿瘤外层包裹的都是健康组织。