Fig. 2
From: Low frequency of mismatch repair deficiency in gallbladder cancer
Histology and immunohistochemistry of the detected MSI gallbladder carcinoma. a: Hematoxylin & Eosin (HE) staining of a full-slide section of the detected MSI GBC shows a typical ductal morphology of pancreatobiliary subtype (representative atypical neoplastic ducts are indicated by arrows, original magnification: 20x). b-e: Immunohistochemistry of MMR proteins showed retained nuclear signals in the neoplastic epithelia (MLH1, PMS2, MSH2, and MSH6; original magnification: 100x)