To minimize the effects of the preinjected Ab, the OVA + mAb-treated (Ab-Tx), and untreated (UnTx) B6 mice were challenged subcutaneously with MC38 tumor cells 11 days after the final injection of Abs and further received rat IgG or anti-4-1BB mAb. This evidence concerns the gene TNFRSF9 and neoplasm.