You do an angiogram and you do see an intermediate lesion, you'd like to have more evidence to see what is going on. You do an IVUS to see how extensive the atherosclerosis is in the vessel wall.

行过冠状动脉造影检查，看到了一个中度病变，若想得到更多的证据，需行ivus检查，看清在血管壁上粥样硬化程度。

youdao

You do an angiogram and you do see an intermediate lesion, you'd like to have more evidence to see what is going on. You do an IVUS to see how extensive the atherosclerosis is in the vessel wall.

行过冠状动脉造影检查，看到了一个中度病变，若想得到更多的证据，需行ivus检查，看清在血管壁上粥样硬化程度。

youdao