FXYD3 and familial pancreatic carcinoma: In contrast, large‐scale transcriptomic studies evaluating PDAC have shown that FXYD3 overexpression is linked to more favourable pancreatic cancer clusters such as the Collisson ‘classical’ PDAC subtype [26] and the Bailey non‐‘squamous’ PDAC subtypes (aberrantly differentiated endocrine exocrine, pancreatic progenitor and immunogenic) [27].