biopsy of lymph node

例句：

1. 1. The doctor performed a biopsy to diagnose the patient's condition.
   医生进行了活检来诊断病人的状况。
2. 2.During the biopsy, the doctor removed a small sample of tissue from the patient's arm.
   在活检过程中，医生从患者的手臂上取出了一小份组织样本。
3. 3.The pathologist performed a biopsy to determine the cause of the patient's illness.
   病理学家进行了活检以确定患者疾病的起因。