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  • Title: Lung cancer and its operable brain metastasis: survival rate and staging problems.
    Author: Furák J, Troján I, Szöke T, Agócs L, Csekeö A, Kas J, Svastics E, Eller J, Tiszlavicz L.
    Journal: Ann Thorac Surg; 2005 Jan; 79(1):241-7; discussion 241-7. PubMed ID: 15620950.
    Abstract:
    BACKGROUND: We assessed the survival rates regarding different stages of operable lung cancers causing operable brain metastasis in patients with or without cancer-related symptoms. The correlation between survival rates and the disease-free interval between lung surgery and metastasectomy was studied. METHODS: Sixty-five patients were operated on for lung cancer and brain metastases. The disease-free interval was divided into 5 subgroups: 0-2 months, 3-5 months, 6-11 months, 12-23 months, and 24 months and beyond. The study group comprised of patients with lung cancer in the following stages: 17 patients in stage I (1 patient in stage IA, 16 patients in stage IB), 16 patients in stage II (2 patients in stage IIA, 14 patients in stage IIB), 9 patients in stage IIIA, 4 patients in stage IIIB, and 19 patients in stage IV. Forty-four patients were symptom-free for lung cancer and 21 patients manifested lung cancer related symptoms. RESULTS: The 5-year survival rates were as follows: stage I = 22%, stage II = 20%, stage IIIA = 22%, stage IIIB = 0%, and stage IV = 23% after lung resections. There were no significant differences in the 5-year survival rates regarding the disease-free interval subgroups after brain metastasectomies (p = 0.19): disease-free interval 0-2 months = 22% and disease-free interval 24 months and beyond = 23%. The 5-year survival rate after metastasectomy was significantly greater (26% vs 5%) in patients without lung cancer related symptoms (p = 0.05). CONCLUSIONS: The 5-year survival rate in stage I, II, IIIA, and IV lung cancer with operable hematogenous brain metastases corresponds to that in the customary stage IIIA (23%). The disease-free interval exhibited no significant impact on the survival rate. The complaint-free status exhibits a significantly greater impact on the survival rate in hematogenic metastasis.
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