circumcision of internal hemorrhoid

例句：

1. 1.He underwent a circumcision of internal hemorrhoid for his son's sake.
   他为了儿子的缘故接受了一次结扎术。
2. 2. The procedure is known as the circumcision of internal hemorrhoid.
   这一程序被称为结扎术。
3. 3. The patient was advised to undergo the circumcision of internal hemorrhoid to prevent infection.
   患者被建议接受结扎术以防止感染。