The Effects of Phellodendron Decoction on Wound Healing of Anal Fistula after Anal Fistulotomy

Figure 4

The wound photos of the two patients on the 42th day after surgery. (a) Surgical wounds in the study group were completely healed on the 42nd postoperative day. (b) Wounds in the control group tended to heal on the 42nd postoperative day.

(a)

(b)