自1955年以来,Quebec Shawinigan地区诊断了10例肝血管肉瘤,病人都是氯乙烯聚合工厂的工人,吸烟和饮酒看来与这种癌肿的发生关系不大,接触氯乙烯量,根据询问所得资料看来是很高的,肝血管肉瘤发生之前伴有肝脏纤维化, Since 1955, 10 cases of hepatic hemangiosarcoma have been diagnosed in Quebec Shawinigan region. The patients are workers of the vinyl chloride polymerization plant. Smoking and drinking appear to have little to do with the occurrence of such cancers. Exposure to vinyl chloride amounts, according to enquiries. The data appears to be high, and hepatic fibrosis is accompanied by hepatic angiosarcoma.