NKG2D CAR-NK Cell Therapy in Patients With Refractory Metastatic Colorectal Cancer Will be intra-peritoneal infusion in Stage 1 and combined with intra-venous infusion in Stage 2. While in Stage 3, the investigators will expand to other cancer type at certain situation.
NKG2D CAR-NK Cell Therapy in Patients With Refractory Metastatic Colorectal Cancer