cases, omentum Week 371: Case 3 April 26, 2023 pathadmin 1. Presented by Peter Illei, M.D. and prepared by Priya Banerjee, M.D.Portion of omentum in 78 y. o. male patient with ascites of unknown etiology. No known history of malignancy.Malignant mesothelioma epithelioid typePapillary serous carcinoma of peritoneumFlorid mesothelial hyperplasiaMetastatic adenocarcinoma 1. Presented by Peter Illei, M.D. and prepared by Priya Banerjee, M.D.Portion of omentum in 78 y. o. male patient with ascites of unknown etiology. No known history of malignancy.