Case Report
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jul 7, 2015; 21(25): 7916-7920
Published online Jul 7, 2015. doi: 10.3748/wjg.v21.i25.7916
Figure 4
Figure 4 Immunohistochemical staining. A: Immunohistochemical stain is positive for MLH1; B: PMS2; C: Negative for MSH2; D: MSH6. Magnification × 400 (A-D).