Methods We divided 42 cases with gastric carcinoma into two groups ,22 cases for ELFO (test group ) and 20 cases for LFO (control group)by random, and observed the clinical response and endurance.

• 方法采用随机分组的方法将42例晚期胃癌患者分为ELFO组(22例)和LFO组(20例),观察两组临床疗效和患者耐受性。