MKI67 and hepatocellular carcinoma: As the result of 18F-FDG PET/CT inspection, the SUVmax of this lesion located in liver S8 was 9.30, while the SUVmax of normal liver parenchyma in right lobe of liver was 2.40, thus the lesion-to-liver SUVmax ratio was 3.88, pathological results after surgical resection indicated moderately differentiated HCC and the Ki-67 index was 40%.