frontal tuber

例句：

1. 1. The patient's conditionworsened after the surgery.
   手术后，患者的病情恶化了。
2. 2. The doctor performed a biopsy on the frontal tuber todetermine its cause.
   医生对前额结节进行了活检以确定其原因。
3. 3. The frontaltuber is a common site for braintumors.
   前额结节是脑肿瘤的常见部位。