The ability of approaching of endoscopic machine was 100%. Clearance of stones was 86.79%, remaining stones accounted for 13.21%.
Tỉ lệ sỏi trong gan 2 bên: 41,51%; khả năng tiếp cận sỏi bằng nội soi ống mềm đạt 100%; tỉ lệ sạch sỏi 86,79%; sót sỏi 13,21%.