To clarify the pheno/genotypes of gastric carcinoma, the expression of Ki-67, caspase-3, p53, FHIT, maspin, VEGF, EMMPRIN, P-GSK3β-ser9, MUC-2, MUC-4, MUC-5AC, MUC-6, E-cadherin, and β-catenin was examined by immunostaining. The gene discussed is MUC4; the disease is gastric carcinoma.