Conversion of Billroth II to Roux-en-Y Reconstruction for Refractory Marginal Ulcer After Pancreaticoduodenectomy: A Robotic-Assisted Case Report
Background: Marginal ulcers following pancreaticoduodenectomy with Billroth II reconstruction are uncommon but may cause substantial morbidity when refractory to optimized medical therapy. Surgical revision is challenging because of altered anatomy, dense adhesions, and previous open surgery. Published evidence specifi...