cases, pancreas Week 275: Case 4 April 26, 2023 pathadmin 1. Presented by Ralph Hruban, M.D. and prepared by Shien Micchelli, M.D.This adult male patient with vague abdominal discomfort was found to have a cystic mass in the head of the pancreas.Macrocystic serous cystic neoplasmMucinous cystic neoplasmPancreatic intraepithelial neoplasiaIntraductal Papillary Mucinous Neoplasm 1. Presented by Ralph Hruban, M.D. and prepared by Shien Micchelli, M.D.This adult male patient with vague abdominal discomfort was found to have a cystic mass in the head of the pancreas.