UCA1 and metastatic neoplasm: The results showed that the 7901-Lv-UCA1 group formed more nodes compared with the 7901-Lv-NC group, while the BGC-Lv-shUCA1 group exhibited less nodes compared to the BGC-Lv-sh control group (Fig. 2e–g), and the nodes were proved to be metastatic tumors by HE staining (Fig. 2h).