xuè / guǎn / shè / yǐng / xiǎn / shì / huàn / zhě / de / guān / zhuàng / dòng / mài / méi / yǒu / míng / xiǎn / xiá / zhǎi

血管摄影显示，患者的冠状动脉没有明显狭窄。

The angiography showed that the patient's coronary arteries had no significant narrowing.