胸膜间皮瘤是来自壁层脏层胸膜表面间皮细胞的一种少见原发性肿瘤。按细胞类型、范围、恶性程度等可分为良性局限性纤维间皮瘤和弥漫性恶性间皮瘤两种。恶性的临床分期:Ⅰ期局限于壁层胸膜,只累及同侧胸膜、肺、心包和纵隔;Ⅱ期侵犯胸壁或累及纵隔结构,即食管、心脏和对侧胸膜, Pleural mesothelioma is a rare primary tumor from the parietal parietal mesothelial cells in the parietal layer. By cell type, range, degree of malignancy can be divided into benign and fibrous mesothelioma and diffuse malignant mesothelioma two. Malignant clinical stage: stage Ⅰ confined to the parietal pleura, involving only the ipsilateral pleura, lung, pericardium and mediastinum; Ⅱ invasion of the chest wall or mediastinal structures involving the esophagus, heart and contralateral pleura,