Masothelioma,a rare tumor,usually occurred in pleura,peritoneum and cardiac pericardium and so on.The majority is malignant,with short surviving period and high mortality.

• 间皮瘤是发生于胸膜、腹膜、心包膜等处的一罕见肿瘤,多为恶性且生存期短,死亡率高。