SFI pre-treatment group : During the first treatment course , chemotherapy was begun with SFI 60 ml , intravenous dripping on the 3rd day , once daily , consecutively for 10 days ; on the 1st day , GP regimen ( GEM 1250 mg/m ( 2 ) , intravenous dripping , on the 1st and 8th day ; cisplatin 70 mg/m ( 2 ) on the 2nd day ; 21 days as one cycle ) was carried out ; in the second treatment course GP regimen was merely given to serve as the self-control .
