CDH1 and carcinoma: To determine whether the reported loss of E-cad expression in some cancers [14, 15, 41] is consistent with CDH1 transcription in clinical tissue samples, we assessed mRNA levels in carcinoma and normal tissues in various parts of the body from the TCGA and GTEx databases using the GEPIA2 web server (http://gepia2.cancer-pku.cn/#index).