Fig. 3From: Risk factors for refractory enterocutaneous fistula following button jejunostomy removal and its treatment using a novel extraperitoneal approach in patients with oesophageal cancer: a retrospective cohort studyExtraperitoneal approach for REF closure. (a) Identification of the fistula using a probe (b) Separation of the fistula from the surrounding tissue (c) Transection of the fistula by double ligation using absorbable sutures (d) Closing the anterior layer of rectus sheathBack to article page