Malignant mesothelioma is a disease in which cancer (malignant) cells are found in the sac lining the chest ( the pleura ) or abdomen ( the peritoneum ).

• 恶性间皮瘤是一种疾病；其中癌症(癌)细胞中发现；在校舍衬砌胸部(胸膜)或腹部(腹膜).