脑室

例句：

1. 1.The MRI scan revealed a small brain tumor in the cerebral ventricles.
   MRI扫描显示大脑中脑室有一小肿瘤。
2. 2.The patient's condition worsened after surgery, requiring further medical intervention.
   手术后，患者的病情恶化，需要进一步的医疗干预。
3. 3. The neurosurgeon performed a craniotomy to remove the tumor from the cerebral ventricles.
   神经外科医生进行了开颅手术，从脑室中取出了肿瘤。