CDC25B and small intestine neoplasm: Mice immunized with CDC25B (mean, 53.4 ± 23.5 tumors) or COX2 peptides (50.3 ± 18.1 tumors) developed significantly fewer small bowel tumors as compared to control mice (mean, 87.5 ± 25.7 tumors; p<0.021 for all; Figure 5D).