A few clinical trials have reported that port site tumor metastases (PSM) and higher peritoneal tumor metastasis (PTM), rapidly growth rate of residual carcinoma in laparoscopic procedures than opening procedures.

• 临床上已有腹腔镜肿瘤外科手术后穿刺孔和腹膜肿瘤种植率高于开腹手术、残余肿瘤生长迅速等病例报道。