The No10, No11 lymph node metastasis rates of PSP, pancreas preservation (PR) and pancreas and spleen resection(PSR) were 17.5%(11/63),19.1%(12/63);

• 保留胰脾法、保胰法和胰脾切除法 3组No10、11淋巴结转移率分别为 17 5%25(11/6 3) ,19 1%25(12 /6 3) ;