cases, soft tissue Week 294: Case 1 April 26, 2023 pathadmin 1. Presented by Elizabeth Montgomery, M.D. and prepared by Shien Micchelli, M.D.Mesenteric mass in a patient with familial adenomatous polyposis (FAP).Sclerosing liposarcomaMesenteric fibromatosisFibromaFibrosarcoma 1. Presented by Elizabeth Montgomery, M.D. and prepared by Shien Micchelli, M.D.Mesenteric mass in a patient with familial adenomatous polyposis (FAP).