Combined univariable Cox analysis of the Norwegian series 1 and 2 confirmed that ECAD protein expression is positively associated with prognosis in CRC (stages I‐IV, 5‐year OS HR 0.83; 95% CI 0.78–0.89; P < 0.0001; n = 1557, Fig. 3D). Here, CDH1 is linked to colorectal carcinoma.