Prepancreatic postduodenal portal vein discovered in a pediatric patient undergoing total pancreatectomy with islet autotransplantation: a case report and review of literature - Colak, Muhammed Ali; Trout, Andrew T.; Heinzman, Christie; Freeman, A Jay; Rasmussen, Sara K.; Abu-El-Haija, Maisam; Nathan, Jaimie D. (Frontiers in Surgery, 2025)