FN1 and neoplasm: In vivo assays also demonstrated that FN1 3′-UTR overexpression increased the number of macroscopic nodules and resulted in a significantly higher tumor weight during peritoneal cavity dissemination to the mesenterium, greater omentum, and parietal peritoneum compared with the FN1 protein overexpression group and negative control group (n = 6 for each group) (Figure 3D-3G).