Title Search [BP SY 1-1] Multifocal IPMN from the pathological perspective Seung-Mo HONG (University of Ulsan, Korea) [BP SY 1-2] How to determine the surgical extent in patients with multifocal IPMN? Sohei SATOI (Kansai Medical University, Japan) [BP SY 1-3] Multifocal lesions in IPMNs; Intraoperative pancreatic juice cytology Takao OHTSUKA (Kagoshima University, Japan) [BP SY 1-4] Case Discussion Hyung Sun KIM (Yonsei University, Korea), Jae Yool JANG (Gyeongsang National University, Korea) ()