Methods: 328 patients with choledocholithiasis were given EST or EPBD, including single biliary stone in 174 cases, two stones in 112 cases and three stones in 42 cases (one case with 20 stones).

• 方法：经EST和EPBD共治疗胆总管结石328例，其中单颗结石174例，2颗结石112例，3颗以上结石42例(最多1例20颗结石)。