PDX1 and cancer: The KPC (LSL‐KrasG12D/+;Trp53R172H/+;Pdx1‐Cre) GEMM (Hingorani et al, 2005), combined with the conventional loxP‐STOP‐loxP‐Reporter transgene, has been used for the fate mapping of PDAC cancer cells and their EMT process (Rhim et al, 2012; Zheng et al, 2015).