spinal posterior rhizotomy

例句：

1. 1.This surgical procedure is often used to treat spinal cord injuries.
   这种外科手术通常用于治疗脊髓损伤。
2. 2.The patient underwent a spinal posterior rhizotomy for relief from chronic pain.
   患者接受了脊柱后侧切除术以缓解慢性疼痛。
3. 3. The success of the surgery was evaluated based on the patient's recovery and improvement in mobility.
   手术的成功评估基于患者的康复和活动能力的改善。