Extended Versus Standard Lymphadenectomy for Pancreatic Head Cancer: Meta-Analysis of Randomized Controlled Trials.

The evidence for improved prognostic assessment and long-term survival for extended pancreatoduodenectomy (EPD) compared to standard pancreatoduodenectomy (SPD) in patients with carcinoma of the head of the pancreas has not been considered from only randomized controlled trials (RCTs).