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Hepatocarcinogenesis. A: Prehepatocarcinoma foci were stained by H&E, morphology of prehepatocarcinoma cells was similar to that of normal hepatocytes, and the edge of prehepatocarcinoma focus was distinct and bright. B: Prehepatocarcinoma focus was as intensely stained by GST-P as A. C: Hepatocarcinoma foci by H&E staining showed a lot of foam cells. D: Immuno-histochemical staining for AFP was intense in hepatocarcinoma foci.
