Fig. 3

Immunohistochemistry of MMR protein. The tumor cells preserved expression of MLH1 (a), MSH2 (b), PMS2 (c), and MSH6 (d); original magnification ×400
Immunohistochemistry of MMR protein. The tumor cells preserved expression of MLH1 (a), MSH2 (b), PMS2 (c), and MSH6 (d); original magnification ×400