Case ReportPublished 17 June 2026Duodenal fistula secondary to erosion by an expanded polytetrafluoroethylene graft in a living donor liver transplant: a case report and review of the literatureKausar Makki · Nalini Kanta Ghosh · Yogesh Yadav · Tathagata Karan · Anil Agarwal · Piyush Srivastava · Vivek VijFrontiers in Transplantationdoi 10.3389/frtra.2026.1799453