Conservative surgery for regional lymphadenectomy in the treatment of early gastric carcinoma

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Abstract
The relationship between lymph node metastases and postoperative prognosis in 209 patients with early gastric cancer was studied. As to the postoperative prognosis in relation to the extent of lymph nodes dissection, no significant difference was observed among the age-corrected 5-year survival rates following three surgical procedures in patients with early gastric cancer. Age-corrected 5-year survival rates were 0.92±0.44 R1-resection, 0.95±0.44 in R2-resection, and 1.00±0.06 in R3-resection, respectively. In addition, in 71 patients including 33 with early gastric cancer and 38 patients with advanced but relative early gastric carcinoma, the relationship between the immunostatus and postoperative prognosis was investigated. Postoperative age-corrected 5-year survival rate (0.904±1.153) of the optimal responders with good immunostatus was significantly higher than that (0.582±1.153) of the suboptimal responders with impaired immunostatus (P<0.01). Thus, conservative surgery for regional lymphadenectomy may be an effective procedure for cure of early gastric carcinoma, particularly in cases of a carcinoma limited to the mucosal area of the stomach.