cyst of external urethral orifice

例句：

1. 1. The doctor found a cyst on his leg.
   医生在他的腿上发现了一个囊肿。
2. 2. He had surgery to remove the cyst from his arm.
   他进行了手术，从他的手臂上取出了囊肿。
3. 3. The cyst was removed successfully, and he made a full recovery.
   囊肿成功地被移除了，他完全康复了。