Clinical study on limited operation and simple lobectomy for primary lung cancer.

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We performed limited operation in 24 cases, simple lobectomy in 46, and standard resection in 213 cases for the treatment of lung cancer. The following results were obtained.<BR>Limited operation and simple lobectomy without standard lymph node dissection were mainly selected for aged patients with various complications, but the occurrence rate of postoperative complications was relatively low.<BR>Five-year survival rates of stage Ia patients who underwent limited operation and simple lobectomy were 93.7% and 67.7% which were acceptable in comparison with that of standard resection (76.5%). On the other hand, the survival rates after these operations were significantly lower than that of standard resection in patients with stage Ib, II or III disease.<BR>The presence or absence of blood vessel and/or lymph vessel invasion as seen microscopically in the surgical specimen was found to bear a close relationship to the survival rate. Routine examination for the evidence of there invasions may be useful in order to evaluate the prognosis especially in operations without standard lymph node dissection.
特定非営利活動法人日本肺癌学会の論文