Fig. 3From: Efficacy and safety of allogeneic umbilical cord-derived mesenchymal stem cells for the treatment of complex perianal fistula in Crohn’s disease: a pilot studyPatient representative of combined remission (male, 34 years old). (A, B) Photograph of the external fistula orifice before and 12 weeks after treatment. (C, D) MRI before and 12 weeks after treatmentBack to article page