Apheresis was collected for 8 patients; 4 had CD33-CAR-T cells produced which met release pre-specified release criteria for infusion; 4 had CD33-CAR-T cell product that failed to meet at least one pre-specified release criteria; and 2 patients had rapidly progressive AML and could not undergo apheresis (Table 2). This evidence concerns the gene CD33 and acute myeloid leukemia.