Small balloon dilatation的用法和樣例：
例句
- Methods Balloon dilatation was performed under local anesthesia via flexible bronchoscope in a patient with tracheobronchial stenosis.
方法對支氣管狹窄患者的局部治療實施了球囊擴張術。 - However, myocardial ischemia caused by balloon dilation during the operation has raised great concern.
然而，冠狀動脈成形術時球囊擴張誘導的心肌缺血引起了人們的關注。
