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(A, B) Enhanced MRI scan of the liver lesion before surgery. (C–E) Histopathological finding (hematoxylin and eosin staining, Ki67, and β-catenin), poorly differentiated intrahepatic sarcomatoid cholangiocarcinoma. Magnification, ×400. Scale bar: 50 µm. (F) MRI scan of the liver lesion after surgery in February 2022.
