meningioma of middle cranial fossa

例句：

1. 1.He was diagnosed with a meningioma and underwent surgery to remove it.
   他被诊断出患有脑膜瘤，并接受了手术来切除它。
2. 2. The patient's condition worsened after the surgery, and he required further treatment.
   手术后，患者的病情恶化了，需要进一步治疗。
3. 3. Meningiomas are rare but can be aggressive and require close monitoring.
   脑膜瘤罕见但可能具有侵袭性，需要密切监测。