J.Jpn. Surg. Soc.. 90(9): 1619-1622, 1989

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Report on the annual meeting

BENFITS AND RISKS ASSOCIATED WITH DISSCTION OF THREE REGIONAL LYMPH NODES (BILATERAL CERVICAL, THORACIC AND ABDOMINAL) IN THORACIC ESOPHAGEAL CARCINOMA

To obtain curability safely, we have employed dissection of three reginal lymph nodes (the bilateral cervical, thoracic and abdominal lymph nodes) since 1983. The subjects were 111 (threee reginal group) of 158 patients with thoracic esophageal carcinoma operated on our department till 1988.
When compared to 207 patients treated during the period from 1973 to 1982 (control group), the background factors of the subjects revealed that the three regional group included more patients with advanced carcinoma and more elderly patients over 70 years of age. Operative results were more favourable in the three regional group (5.3％ vs 2.7％), although mean operative time was longer (5 hrs and 2 min vs 8 hrs and 38 min) and mean blood loss was higher (1,098ml vs 1,407ml). Moreover, the incidence of recurrent nerve paralysis was higher.
Overall 5-year survival was 20.4％ vs 22.3％, showing no significant difference. However, when stage distribution is taken into consideration, results in the three reginal group may be regarded as improved.
After dissection of the three regional lymphnodes, the pattern of lymph node metastasis of thoracic esophageal carcinoma has been made clearer to give useful information on the site in which further dissection of lymph node is required.

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