internal hemorrhoidectomy

例句：

1. 1. The patient underwent an internal hemorrhoidectomy to alleviate his chronic constipation.
   患者接受了内痔切除术以缓解其慢性便秘。
2. 2. The surgeon performed a successful internal hemorrhoidectomy, resulting in significant relief for the patient.
   外科医生成功地进行了一次内痔切除术，为患者带来了显著的缓解。
3. 3. Due to severe internal hemorrhoidectomy scarring, the patient experienced persistent pain and discomfort during bowel movements.
   由于严重的内痔切除术疤痕，患者经历了持续的疼痛和不适感。