TGIF2 and lung adenocarcinoma: Phosphorylated transforming growth factor beta (TGF-β)-induced factor homeobox 2 (TGIF2) can induce epithelial–mesenchymal transition (EMT) and metastasis of lung adenocarcinoma, and p-TGIF2 is a potential therapeutic target for lung adenocarcinoma metastasis (32).