Abstract
Because of the increased incidence of early gastric cancer in Japan, minimally invasive laparoscopic approaches to gastric malignancies have been under development since 1991. Laparoscopic local resection of the stomach, i.e., laparoscopic wedge resection (LWR) and intragastric mucosal resection (IGMR), is used to treat mucosal cancer without lymph node metastasis. Laparoscopy-assisted distal gastrectomy (LADG) is used to treat early gastric cancer with risk factors for regional lymph node metastasis. A survey conducted by the Japan Society for Endoscopic Surgery showed that 1428 LWRs, 260 IGMRs, and 2600 LADGs were performed between 1991 and 2001 in departments of endoscopic surgery in Japan. Laparoscopic gastrectomy for gastric cancer is still under development in Japan. According to short-term results reported by a small group of surgeons, laparoscopic approaches to gastric cancer provide for minimal invasion, early recovery, and decreased morbidity and mortality. If the advantages can be confirmed in one or more multicenter randomized control studies of the long-term outcome of patients undergoing laparoscopic gastrectomy for gastric cancer, the procedure should come into wide acceptance and use.
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