常位于右叶，90%为单发。

Often located right, 90% for single.

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影像学NAS进行性狭窄常发生在早期NAS患者和单发及多发性细菌性胆管炎患者。

Radiological progression was more prevalent in patients with early NAS and one or more episodes of bacterial cholangitis.

youdao

影像学NAS进行性狭窄常发生在早期NAS患者和单发及多发性细菌性胆管炎患者。

Radiological progression was more prevalent in patients with early NAS and one or more episodes of bacterial cholangitis.

youdao