Abstract Background It was the aim of this study to compare the outcome of surgery for complex anal fistulas in obese and non-obese patients. Methods All patients with complex anorectal fistulas who underwent fistulectomy and/or rectal advancement flap repair were prospectively recorded. Surgery was performed in a standardized technique. https://www.roneverhart.com/Paistinpannu-rst-kupari-o-28-cm-3-L/