Surgery of peritoneal mesothelioma is known as peritonectomy.
Surgical treatment of peritoneal mesothelioma is not often practical. Peritonectomy / surgery of peritoneal mesothelioma involves cutting the lining of abdomen where the mesothelioma has started growing, that is curring out the peritoneum. Part of diaphargm or lung may need to be removed while removing the afflicted cell for surgery to succeed.