biopsy guillotine needle

例句：

1. 1. The doctor performed a biopsy on the mole to check for cancer.
   医生对痣进行了活体检查，以检查是否有癌症。
2. 2.During the biopsy, the doctor removed a small piece of tissue from the patient's arm.
   在进行活检时，医生从患者的手臂上取下了一小片组织。
3. 3. The pathologist analyzed the biopsy results and determined that the tumor was benign.
   病理学家分析了活检结果，并确定肿瘤是良性的。