“内球”用英语怎么说？

结论: 腔内球囊扩张对治疗输尿管外科手术后狭窄是一种安全而有效的方法.Conclusions: Transluminal balloon dilatation is a safe and effective method for treating postoperative strictures the ureter.目的: 了解腔内球囊扩张治疗输尿管外科手术后狭窄的方法和临床价值.Objective : To study the cl...