Clinical Study on Chimeric Antigen Receptor T Lymphocyte (CAR-T) Targeting CEA for the Treatment of CEA - Positive Advanced Lung Cancer

Subjects meeting the transfusion criteria will receive pre-treatment, which is as follows: fludarabine 25mg/m2/d×3day and cyclophosphamide 300mg/m2/d×3day, and intravenous CEA CAR-T therapy after 1-2 days of rest

Subjects meeting the reinfusion criteria will receive pre-treatment with fludarabine 25mg/m2/d×3day and cyclophosphamide 300mg/m2/d×3day, rest for 1-2 days, and intraperitoneal reinfusion targeted CEA CAR-T therapy