From literature, pancreas does express CDH1. Generally CDH1 expresses in cell junction, adherens junction. Regarding which tissues have CDH1 expression, here are a few articles citing expression in various tissues:
Brain, Pubmed ID: 14595118
Epidermal carcinoma, Pubmed ID: 10597309
Hippocampus, and Tongue, Pubmed ID: 14702039
Liver, Pubmed ID: 3263290, 8185635, 24275569, 8033105, 11953314
Pancreas, Pubmed ID: 8459805
Placenta, Pubmed ID: 7543680, 7601454