Operative procedures included right hemicolectomy or partial colectomy in four, debulking and right hemicolectomy in three, and appendectomy only in one.

• 手术方式包括4位接受右侧大肠切除术或部份大肠切除术，3位接受右侧大肠切除术及腹部肿瘤根除术而另一位只作兰尾切除术。