Figure 6From: A case of wedge resection of duodenum for massive gastrointestinal bleeding due to duodenal metastasis by renal cell carcinoma(A) Immunohistochemical staining by renal cell carcinoma (RCC) (original magnification, ×400). (B) Immunohistochemical staining by Cytokeratin 18 (CK18) (original magnification, ×400). (C) Hematoxylin and eosin (HE)-staining showing polygonal cells with clear cytoplasm and relatively uniform nuclei, some of them exhibiting prominent nucleoli (original magnification, ×400).Back to article page