Figure 1.

Representative immunohistochemical staining of ampullary cancer. A: intestinal type, CK7-/CK20+; B: pancreatobiliary type, CK7+/CK20-; C: other type, (C: CK7+/CK20+); D: other type, CK7-/CK20-); E: positive and negative immunohistochemical staining for osteopontin.

Zhao et al. Diagnostic Pathology 2011 6:98   doi:10.1186/1746-1596-6-98
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