结直肠癌是世界上常见的恶性肿瘤,严重危害人民的健康。近年来我国的发病率在逐年增加,据中国恶性肿瘤死亡率抽样调查报告,结直肠癌居第五位,其病因学是目前研究的热点。1978年Capron首次报道胆囊切除术可增加结直肠癌的发病率[1],引起人们对两者关系的关注。目前我国胆囊结石 Colorectal cancer is a common malignancy in the world and seriously endangers people’s health. In recent years, the incidence of our country is increasing year by year. According to the sample survey of malignant tumor mortality in China, colorectal cancer ranks the fifth place. Its etiology is the hot point of current research. Capron first reported in 1978, cholecystectomy can increase the incidence of colorectal cancer [1], causing concern about the relationship between the two. At present, gallstones in our country