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Staining results for MSH2 (A and B), MSH6 (C and D), and villin (E and F) protein expression in the tissues adjacent to a tumor (A, C, and E) and the cancerous tissues (B, D, and F) of colon cancer patients (original magnification ×400)
结肠癌患者癌旁组织（A、C、E）及癌组织（B、D、F）MSH2（A、B）、MSH6（C、D）、villin（E、F）表达的免疫组化染色（×400）
