Peritoneal Mesothelioma Not Caused by Asbestos The abdominal lining can develop malignant peritoneal melanoma. It is less prevalent than pleural mesothelioma, and it is more common in women than men. The symptoms of peritoneal msothelioma could be vague, like abdominal discomfort constipation, weight loss, or diarrhoea. A mesothelioma expert can