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Sirius red staining (A and B), α-SMA immunohistochemistry (C and D), CYGB immunofluorescence staining (E and F), α-SMA immunofluorescence staining (G and H), merged image of CYGB and α-SMA (I and J) of the liver specimen obtained before IFN treatment and after SVR for Case 1. Insets show enlarged views of CYGB/α-SMA-double-positive cells. Bar, 50 μm; P, portal vein.
