Figure 1. CFS promotes wound healing in the rat model of perianal ulceration. A: Representative images of perianal ulcers in each group (G) before and after treatment. The ulcerated area is outlined. B: Perianal ulceration changes during the course of treatment. C: Mean ulcerated area at the end of treatment. D: Macroscopic pathological scores. Data are represented as mean±SD of 8 animals of each group. *p<0.05, **p<0.01 when compared to the control group. CFS, Compound Sophora flavescens; PP, potassium permanganate.