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- W2154868391 abstract "Present clinicopathologic staging of non-small cell lung cancer is limited in its ability to provide more than a general prognostic estimate in patients with lung cancer who have resectable disease. This study was performed to identify whether the ability to adapt tumor tissue from resectable (stage I to IIIa) non-small cell lung cancer was associated with a poorer prognosis and an increased risk for early tumor recurrence. We attempted to culture a tumor specimen obtained from 90 patients with resectable non-small cell lung cancer. We used a culture medium conditioned by exposure to the lung cancer cell line A549-1, a known producer of autocrine lung cancer growth factors, and provided tumor colony scaffolding using a feeder layer of inactivated fibroblasts, and found these measures improved tumor culture yields. Twenty-two cell lines were obtained, a success rate of 24.4%. Tumor recurrences were more common (79%) among the culture-positive patients than among the culture-negative patients (37.5%; p < 0.002). For all patients, survival at 19 months in the culture-positive patients was 50.0%, compared with 83.6% in the culture-negative patients (p < 0.005). The median survival for the culture-positive patients was 15 months, versus 21.7 months for the culture-negative patients (p < 0.004). The establishment of a culture was a predictor of shortened survival for patients with stage I disease. In patients with stage I disease, survival at 19 months was 54.5% for the culture-positive patients, versus 89% for the culture-negative patients (p < 0.02).(ABSTRACT TRUNCATED AT 250 WORDS)" @default.
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- W2154868391 date "1994-09-01" @default.
- W2154868391 modified "2023-09-25" @default.
- W2154868391 title "Ability to culture resectable non-small cell lung carcinomas is correlated with recurrence" @default.
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- W2154868391 doi "https://doi.org/10.1016/0003-4975(94)90724-2" @default.
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