There was no bile duct stenosis during follow-up of 4 months to 2 years.

术后所有患者获4个月至2年随访，均未见胆道狭窄。

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Results:Intraoperative angiography variation found 13 cases of cystic duct(18%), 8 cases of common bile duct stones(11.1%), three cases of conversion(4.1%), no bile duct injury.

结果：术中造影发现胆囊管变异13例（18%），胆总管结石8例（11.1%），中转开腹3例（4.1%），无胆管损伤。

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Case 4 ~ 6 present anatomic variation of bile duct, but no related complications occurred.

病例4 ~ 6虽有胆管变异，但无相关并发症的发生。

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