Figure 5: The pathological stage of the 13th–14th week is S4. The figure was the general appearance of liver pathology under the microscope: fibroblasts in the portal area showed evident hyperplasia, the fibrous septum was widened, the grid division was formed in liver cells, the pseudo-lobule of the liver was formed, and a typical liver fibrosis was formed, which indicated it was at the stage of hepatic cirrhosis. HE. Bar 5200 mm.