Figure 2From: A prospective experimental study of liver fibrosis with ultrasound and its correlation with hepatic reserve function and hemodynamics ICG retention rate (percentage of total injected ICG dose) at 15 min (ICG 15) in different stages of fibrosis. 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