Results:The survival rate at 1 year was 3/9.All patients died:liver metastasis 4,lung metastasis 3,bone metastasis 1 and liver and brain concomitancy metastasis 1.

• 结果:1年生存为3/9,死于肝转移4例、肺转移3例、骨转移1例及肝、脑同时转移1例。