Fig. 7From: Cholangiocarcinoma presenting as dysphagia and misdiagnosed as gastritis: a case reportHE staining of the surgically excised lesions at this admission. The panels A–D show 5 × magnification, and the panels E, F show 20 × and 40 × magnifications, respectively. The entire sampling site is occupied by atypical bile duct epithelium. The tumor tissue is adenoid and the cells are atypical. Red arrows in the panels mark atypical bile ductsBack to article page