Case Report
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 14, 2006; 12(6): 971-973
Published online Feb 14, 2006. doi: 10.3748/wjg.v12.i6.971
Figure 4
Figure 4 Chromogranin positive immunohistochemical staining (brown cytoplasmic staining) demonstrating neuroendocrine differentiation of tumor cells (×40, 1:5 000 dilution, DAK-A3 clone, DAKO, Cambridge, UK).