Allogenic B7H3 CAR-γδT cell(Dushu Lake Hospital)

This is an open, single-arm, single-center, interventional clinical study. It is planned to enroll 3-6 patients with meningeal metastases from B7H3+ solid tumors and to explore, on a small scale, the efficacy of local injection of allogeneic B7H3 CAR-γδ T cells (3*107/dose) for the treatment of patients with meningeal metastases from B7H3+ solid tumors.