CDH1 and intestinal neoplasm: Among intestinal tumors (n = 65), 26/65 (40%) showed p53 aberrant expression, 14/65 (21.5%) exhibited p53 normal expression, 11/65 (16.9%) were MSI, 11/65 (16.9%) showed E-cadherin aberrant expression, and 3/65 (4.6%) were EBV.