Title Search [BP OP 2-1] A comparison of minimal invasive versus open pancreaticoduodenectomy for pancreatic ductal adenocarcinoma in single institution : propensity score matching analysis Jaewoo KWON (University of Ulsan college of Medicine and Asan Medical Center, Korea) [BP OP 2-2] A nomogram to preoperatively predict early cancer-related mortality in resected pancreatic cancer following neoadjuvant chemoradiation therapy Ho Kyoung HWANG (Yonsei University College of Medicine, Severance Hospital, Korea) [BP OP 2-3] Clinical validation of scoring systems of postoperative pancreatic fistula after pancreatoduodenectomy : Applicability to Eastern cohorts? Jae Seung KANG (Seoul National University College of Medicine, Korea) [BP OP 2-4] The changes of the evaluation of resected lymph nodes and TNM staging of resectable pancreatic head cancer based on standardized lymphadenectomy and sampling Jingyong XU (Beijing Hospital, National Center of Gerontology, China) [BP OP 2-5] The single surgeon learning curve of pure laparoscopic pancreatoduodenectomy: A risk-adjusted CUSUM analysis Sungho KIM (Korea University Ansan Hospital, Korea) [BP OP 2-6] Clinicopathological characteristics of pancreatic ductal adenocarcinoma with invasive micropapillary carcinoma component with emphasis on the usefulness of PKCζ immunostaining for detection of reverse polarity Tatsuma SAKAGUCHI (Kansai Medical University, Japan) [BP OP 2-7] Laparoscopic total pancreatectomy in benign and borderline malignant tumor of the pancreas: Perioperative Outcomes and Quality of Life Jin Ho LEE (National Health insurance Service Ilsan Hospital, Korea)