hemicolectomy

例句：

1. 1. He underwent a semi-colectomy for cancer treatment.
   他因癌症接受了半结肠切除术治疗。
2. 2. The procedure is often used to treat colon cancer.
   这种手术通常用于治疗结肠癌。
3. 3. He was advised to undergo a semi-colectomy after his diagnosis.
   在他被诊断出患有结肠癌后，他被建议接受半结肠切除术。