What is Peritoneal Mesothelioma? Word Count: 309 Summary: Peritoneal Mesothelioma is a tumor of the membrane Peritoneum. The peritoneum is a thin membrane in the organs in the abdomen consisting of mesothelial cells. Keywords: mesothelioma, peritoneal mesothelioma, pericardial mesothelioma, asbestos, abdominal Article Body: Peritoneal Mesothelioma is a tumor of the membrane Peritoneum. The peritoneum is [...]