Fig. 2From: Comparative perianal fistula closure rates following autologous adipose tissue-derived stem cell transplantation or treatment with anti-tumor necrosis factor agents after seton placement in patients with Crohn’s disease: a retrospective observational studyThe procedures of seton placement. (a) Check the fistula tract. (b) Probe the fistula tract and apply a transsphincteric seton. (c) Tie the seton loosely as a noncutting seton drainBack to article page