biopsy of vulva

例句：

1. 1. The doctor performed a biopsy on the mole to check for cancer.
   医生对痣进行了活检，以检查是否有癌症。
2. 2. During the surgery, the surgeon performed a biopsy of the tumor.
   手术期间，外科医生对肿瘤进行了活检。
3. 3. The pathologist performed a biopsy to determine the cause of the patient's symptoms.
   病理学家进行了活检，以确定病人症状的原因。