Figure 4From: A prospective experimental study of liver fibrosis with ultrasound and its correlation with hepatic reserve function and hemodynamics PVP (Portal venous pressure) at the different stages of fibrosis in four sub-groups. F0 (without fibrosis), F1-2 (mild fibrosis stage 1–2), F3 (moderate fibrosis stage 3) and F4 (advanced fibrosis stage 4).Back to article page