ZEB1 and pancreatic ductal adenocarcinoma: In a different report, ZEB1, ZEB2 and Snail1 were also detected in tumour and stromal cells of pancreatic ductal adenocarcinoma; however, when the authors analysed the association between stromal expression and lymph node metastasis, only ZEB2 expression was significantly associated with metastasis (Galván et al., 2015).