During tumor formation, it was shown that Sox9 is induced in ADM and PanINs and is maintained in the pancreatic progenitor PDAC subtype (Morris et al., 2010; Kopp et al., 2012; Prevot et al., 2012; Meng et al., 2014; Grimont et al., 2015). The gene discussed is SOX9; the disease is neoplasm.