hemorrhoidal plexus

例句：

1. 1.The patient was admitted to the hospital for treatment of a hemorrhoidal plexus.
   患者因痔疮丛入院接受治疗。
2. 2. Hemorrhoidal plexus is a common cause of chronic prostatitis.
   痔疮丛是慢性前列腺炎的常见原因。
3. 3. The doctor recommended a surgical procedure to remove the hemorrhoidal plexus.
   医生建议进行手术以切除痔疮丛。