Peritoneal Mesothelioma Not Caused by Asbestos The cancerous cells referred to as peritoneal mesothelioma grow in the lining of the stomach or 0270469 (Www.0270469.xyz) abdominal cavity. It is the second most prevalent form of mesothelioma. Asbestos fibers can irritate the peritoneal cells and trigger mutations in genes that result in mesothelioma. They can ...