Metastatic Appendiceal Mucinous Adenocarcinoma to Well-Differentiated Diffuse Mesothelioma of the Peritoneal Cavity: A Mimicker of Florid Mesothelial Hyperplasia in Association With Neoplasms

Atypical/florid mesothelial hyperplasia occurs in response to a variety of pathological processes such as infection, inflammation, connective tissue disease, or neoplasm.