Case Report
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jul 28, 2009; 15(28): 3560-3564
Published online Jul 28, 2009. doi: 10.3748/wjg.15.3560
Figure 3
Figure 3 Immunohistochemical staining. A: Cytokeratin 20 is diffusely positive within the epithelium (× 100); B: Cytokeratin 7 is negative (× 100).