This will allow the robot to crawl around the gastrointestinal tract, perform treatment with appropriate surgical tools, and perform biopsies.

这将使机器人可以在胃肠道周围爬行，用适当的外科手术工具施行治疗，且可以进行活体组织检查。

Why are open biopsies so prevalent?

那为什么手术活检还如此盛行？

Biopsies were obtained to exclude neoplasm and infection.

组织学检查排除是肿瘤和感染。

Doctors may fear lawsuits if they do not order biopsies, he said.

他说，医生可能害怕不组织活检而受到控诉。

Tumour biopsies are placed on a microscope slide and stained with antibodies.

肿瘤切片被置于显微镜的载物台上，用抗体将其染色。