There was no significant relationship of E-cadherin, α-catenin, β-catenin and γ-catenin in breast tumours to Nottingham Prognostic Index (NPI) (E-cadherin p = 0.094, α-catenin p = 0.144, β-catenin p = 0.378, γ-catenin p = 0.131). The gene discussed is CDH1; the disease is breast neoplasm.