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  • Title: [Cases of death after surgery for pathologic stage I non-small cell lung cancer].
    Author: Fukino S, Fukata T, Hayashi E, Okada K, Metsugi H, Miwa K, Morio S.
    Journal: Kyobu Geka; 2002 Feb; 55(2):110-5. PubMed ID: 11842546.
    Abstract:
    We clinically examined cases of death from pathologic stage I non-small cell lung cancer with the aim of improving the 5-year survival rate after surgery for this condition. The subjects were 70 patients with p-stage IA (20 cases of death) and 59 patients with p-stage IB (26 cases of death) from among those who underwent surgery for p-stage I non-small cell lung cancer between 1986 and 2000. 1) Of 30 patients who died from p-stage I lung cancer, 20 had distant metastases and 10 had recurrence in the thoracic cavity. Of 16 patients who died from other diseases, 5 had respiratory organ disease, 5 had cancers of other organs and 6 had circulatory organ disease. 2) Of 30 patients who died from p-stage I lung cancer, 20 (66.7%) had distant metastases, with lung metastasis occurring most frequently, in 10 of them (33.3%). The most common cause of death of patients with p-stage IB lung cancer was recurrence in the thoracic cavity. 3) The mean durations of survival (mean +/- standard deviation) after surgery for lung cancer of the patients who died from p-stage I lung cancer (30 patients) were 36.3 +/- 22.2 months for the 20 patients with distant metastases and 26.2 +/- 14.3 months for the 10 patients with recurrence in the thoracic cavity, the difference between groups was 10 months, but was not significant. 4) The 5-year survival rate in 45 patients who underwent p-stage IA mediastinal lymph node dissection was 83.1% whereas that in 25 patients without p-stage IB mediastinal lymph node dissection was 50.9% showing a significant difference of 32.2% (p < 0.01). 5) The patients in p-stage IA who died from other diseases were all men (10 patients). The mean durations of survival after surgery for lung cancer in the patients who died from other diseases were 35.2 +/- 19.0 months in the patients with respiratory organ disease, 37.0 +/- 23.9 months in those with cancers of other organs and 60 +/- 19.1 months in those with circulatory organ disease. 6) The 5-year survival rate after surgery in all cases of death was 76% in the patients in p-stage IA and 61.4% in those in p-stage IB. The 5-year survival rates in the patients excluding those who died from other diseases were 85% in the patients in p-stage IA (60 patients) and 60.3% in those in p-stage IB (53 patients) (p < 0.01). 7) To improve the 5-year survival rate in the patients with p-stage IA lung cancer, it is necessary to prevent death from other diseases in men. It is still possible to improve the 5-year survival rate in the patients with p-stage IB lung cancer by raising the accuracy of mediastinal lymph node dissection during surgery.
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