Reflux here can cause bleeding, ulceration and scarring, and rarely can result in erosion of the colon wall, causing massive bleeding without pain as the transplant is insensate.
164. Burgos L, Barrena S, Andrés AM, Martínez L, Hernández F, Olivares P, et al. Colonic interposition for esophageal replacement in children remains a good choice: 33-year median follow-up of 65 patients. J Pediatr Surg. 2010 Feb 1;45(2):341–5.
