Fig. 5From: A case report of carcinoma of the papilla of Vater associated with a hyperplasia–dysplasia–carcinoma sequence by pancreaticobiliary maljunctionImmunohistological findings of the resected specimen. CEA was highly expressed at all sites of the hyperplasia, dysplasia, and carcinoma. COX-2, HER2, and IL-33 expression were positive in the carcinoma tissuesBack to article page