intrathecal chemotherapy的用法和样例：
例句
- This was refractory to systemic and intrathecal chemotherapy and cranial irradiation.
全身和鞘内化疗以及颅脑放疗均无效。 - Patients undergoing cytoreductive surgery combined with intraperitoneal chemotherapy are required to be in the lithotomy position for many hours.
患者在接受细胞减数外科治疗合并腹膜内化疗时要求保持截石位几个小时。
