PDX1 and pancreatic neoplasm: Mouse fibroblasts expressing FAK‐WT or FAK‐KD were orthotopically and syngeneically co‐grafted with mouse pancreatic tumour cells (isolated from LSL‐K‐rasG12D/+; p53R172H/+; Pdx1‐Cre, also referred as KPC) in C57BL/6 immunocompetent mice.