buttonhole mitral stenosis

例句：

1. 1. The patient's symptoms were consistent with mitral stenosis.
   患者的临床症状与心脏瓣膜狭窄相符。
2. 2. Mitral stenosis is a condition that can lead to heart failure if left untreated.
   未经治疗的心脏瓣膜狭窄可能会导致心脏病发作。
3. 3. The patient required surgery to correct the mitral stenosis.
   患者需要进行手术来纠正心脏瓣膜狭窄。