cordotomy

例句：

1. 1. The patient underwent cordotomy to relieve his chronic pain.
   病人接受了神经切除术以缓解他的慢性疼痛。
2. 2.The operation was performed under general anesthesia and the patient made a full recovery.
   手术在全身麻醉下进行，患者完全康复。
3. 3. The success of the surgery depended on the precision of the cordotomy technique.
   手术的成功取决于神经切除术技术的精确性。