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