Patients who had lymph node dissection in the hepatoduodenal ligament had a significantly higher incidence of gallstones than those who did not (28.2 versus 7.5 per cent at 5 years;

• 为了分析胆结石的危险因素,研究者根据消化道重建方式、重建后食物是否经过十二指肠、胃切除范围、肠淋巴结清扫方式等对患者进行了分组。