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Representative examples of β-catenin expression in colorectal liver metastasis. (A) Only membranous staining was observed (score 0 for cytoplasm and nucleus). (B) Cytoplasmic expression of β-catenin with some positive nuclei (score 1 for cytoplasm and nuclei). (C) Diffuse and strong cytoplasmic and nuclear staining (score 1 for cytoplasm, and score 2 for nuclei). Magnification, ×200.
