Journal
EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY
Volume 44, Issue 1, Pages E53-E58Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/ejcts/ezt192
Keywords
Non-small-cell lung cancer; Risk factor; Recurrence and poor survival; Pathological stage; Carcinoembryonic antigen
Funding
- National Cancer Research and Development Fund [23-A-18]
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OBJECTIVES: Even after curative resection, a significant fraction of patients with stage I non-small-cell lung cancer (NSCLC) die primarily because of systemic relapse. The purpose of the present study was to investigate the risk factors for both recurrence and poor survival in patients with pathological (p-) stage I NSCLC. METHODS: We retrospectively reviewed 467 consecutive patients from a single institution with completely resected p-stage I NSCLC. Patients with multiple lung tumours or malignancies from other organs and those who had undergone preoperative therapies were excluded. The correlation between clinicopathological factors and surgical outcomes, including disease-free survival (DFS) and overall survival (OS), was analysed. The clinicopathological factors examined were age, gender, smoking history, serum carcinoembryonic antigen (CEA) levels, serum cytokeratin 19 fragment levels, surgical procedure, tumour histology, p-stage, angiolymphatic invasion and differentiation grade. RESULTS: The 5-year DFS and OS rates of the total study population were 91.4 and 92.8%, respectively. Multivariate analysis results indicated that high serum CEA levels (>5.0 ng/ml) and p-stage IB were independent factors for recurrence, whereas older age (>70 years), high serum CEA levels and p-stage IB were independent factors for poor survival. The risks of recurrence and death in patients with both high serum CEA levels and p-stage IB was 10.3 and 5.2 times higher than those observed in patients with both normal serum CEA levels and p-stage IA, respectively. CONCLUSIONS: High serum CEA levels and p-stage IB were independent factors for both recurrence and poor survival in p-stage I NSCLC patients.
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