J.Jpn. Surg. Soc.. 80(12): 1501-1504, 1979

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Report on the annual meeting

PROCEDURE OF RADICAL OPERATION WITH REGIONAL LYMPH NODES DISSECTION FOR GASTRIC CANCER

The five year survival rate of 432 gastric cancer cases who underwent curative resection was 60% in our clinic. When these cases were analyzed in respect of lymph node involvement and serosal invasion, the 5-year survival rates of each group were as follows : of all the gastric cancer cases of negative prognostic serosal invasion (ps (－)) 86% in n (－) group, 73% in n₁ (＋), 59% in n₂ (＋) and 50% in n₃ (＋), while of all the cases of positive prognostic serosal invasion (ps (＋)) 51 % in n (－) group, 36% in n₁ (＋), 20% in n₂ (＋) and 9% in n₃ (＋). These results show that the radical operation with clean up of lymph nodes in wide area is more effective in the cases of ps (－) gastric cancer than in the cases of ps (＋).
The surgical procedure of radical operation that we employ for gastric cancer is started with separation of greater omentum from the transverse colon and followed by tearing of front shaet of the mesocolon. Succesively we dissect lymph nodes at the mesenterial radix and the sub- and suprapyloric region away. After cutting the first portion of the duodenum lymph nodes at the upper edge of pancreas, the stem of truncus coeliacus, the hepatic pedicle and the retropancreaticoduodenal area are dissected in turn. Finally the stomach is resected and gastrojejunostomia is done.

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