Abstract
There are three procedures for the management of early gastric cancer (EGC): laparoscopic wedge resection (LWR), intragastric mucosal resection (IGMR), and laparoscopic gastrectomy. LWR or IGMR can be applied to treat EGC without the risk of lymph node metastasis. However, owing to the recent technical advances in endoscopic mucosal resection for EGC, the use of laparoscopic local resection for these lesions has gradually decreased. On the other hand, laparoscopic gastrectomy with lymph node dissection, such as laparoscopy-assisted distal gastrectomy, is widely accepted for the treatment of EGC with the risk of lymph node metastasis. To establish the acceptability of laparoscopic gastrectomy with D2 lymph node dissection against advanced gastric cancers, safe techniques and new instruments must be developed. The following advantages of laparoscopic surgery for the treatment of gastric cancer have been well demonstrated: clinical course after operation, pulmonary function, immune response. In the future, laparoscopic surgeons have to design and implement education and training systems for standard laparoscopic procedures, evaluate clinical outcomes by multicentric randomized control trial studies, and clarify the oncological aspects of laparoscopic surgery in basic studies.
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