cases, pancreas Week 512: Case 1 April 26, 2023 pathadmin 1. Presented by Ralph Hruban, M.D. and prepared by Robert E LeBlanc, M.D.This adult patient presented with a large mass extending from the pancreas to the stomach. A distal pancreatectomy and partial gastrectomy were performed.Gastrointestinal stromal tumorSchwannomaMetastatic melanomaAutoimmune pancreatitis 1. Presented by Ralph Hruban, M.D. and prepared by Robert E LeBlanc, M.D.This adult patient presented with a large mass extending from the pancreas to the stomach. A distal pancreatectomy and partial gastrectomy were performed.