翻译：肝内胆管一级支及以上；肝总管；胆总管及其以下这是我们前期的一组研究数据在这个表里我们可以发现相比常规超声腔内CEUS显著提高了对胆道梗阻部位诊断的能力尤其对肝总管及以上部位的梗阻判断准确率为100。

Intrahepatic bile ducts of first order and above; hepatic duct; common bile duct and below. This is a set of research data from our previous study. In this table, we can find that compared with conventional ultrasound, intraoperative contrast-enhanced ultrasound (CEUS) significantly improves the diagnostic ability for obstructive sites in the bile duct, especially for obstructions of the hepatic duct and above, with an accuracy rate of 100%.