Peritoneal Mesothelioma Not Caused by Asbestos Malignant peritoneal mesothelioma forms in the lining of the abdomen. It is less frequent than pleural mesothelioma and it is more common in women than men. Patients with peritoneal mesothelioma typically suffer from vague symptoms like abdominal pain constipation, weight loss or diarrhoea. A
