13 July 2020
: Case report 
Exceptional Response to A Single Cycle of Immunotherapy in a Lynch Syndrome Patient with Metastatic Pancreatic Adenocarcinoma
Unusual or unexpected effect of treatment
Neha R. Patil1ABCDEF*, Gazala N. Khan1ABCDEFGDOI: 10.12659/AJCR.923803
Am J Case Rep 2020; 21:e923803
Figure 3. Immunohistochemistry of a liver biopsy specimen (hematoxylin and eosin stain, 100×) showing abnormal/lost expression of PMS2 protein as shown using arrows. Lymphocytes and normal epithelium exhibit strong nuclear staining and serve as positive internal controls for staining of this protein.