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PCNA expression in different liver tissues. (A1 and A2) Patient no. 45: many PCNA-positive hepatocytes (A2) were present in the adjacent liver tissue of hemangioma (A1). (B1 and B2) Patient no. 10: many PCNA-positive cancer cells (B2) were present in T (B1), and many PCNA-positive hepatocytes (B2) were also present in adjacent NT (B1). C, control liver tissue; NT, non-tumor liver tissue; T, HCC tissue. Original magnification ×200 and ×400.
