Starting on the third day after injection, the tumor volume formed at the injection site was measured at intervals of 3 days, and the data were recorded for mice injected with FaDu–mock, FaDu-ALOX12, FaDu-FKBP5, MCF-7–mock, MCF-7-ALOX12, and MCF-7-FKBP5 cells. This evidence concerns the gene FKBP5 and neoplasm.